Within the days instantly previous his handle to Congress on Tuesday evening, President Trump took a series noticed to authorities businesses, initiated a commerce conflict, reduce off arms to Ukraine and sided with a brutal authoritarian, President Vladimir V. Putin of Russia.

However a customer arriving from a distant planet who listened to Mr. Trump’s handle earlier than an viewers of enthusiastic Republicans and dejected, powerless and indignant Democrats wouldn’t have sensed the dimensions and depth of the disruption of the previous 44 days and the deep considerations it has produced.

Whereas Mr. Trump resurrected acquainted arguments from his marketing campaign rallies to justify his actions — citing waste and fraud within the federal paperwork, the risks posed by migrants getting into the nation illegally, the unfairness of the worldwide buying and selling system and the necessity to deliver a bloody conflict to an finish — one thing was lacking.

He by no means made the case for why the potential advantages of the disruption he has triggered — “nothing however swift and unrelenting motion,” he referred to as it, fairly precisely — was definitely worth the very actual prices at residence and overseas. He by no means addressed the fears of traders who’ve been hitting the “promote” button amid an escalating commerce conflict, or of allies reaching for his or her panic buttons as Washington aligns itself with Moscow. He by no means talked about why he was inflicting extra financial ache on his allies than his adversaries.

“They’ll be a little bit disturbance,” was the closest he got here to acknowledging the response to his strikes, in that case talking of his steep tariffs.

When he briefly turned to the conflict in Ukraine towards the top of his greater than 100-minute speech, it was mainly to ask the query: “Do you need to preserve it going for an additional 5 years?”

He by no means addressed the query of what a simply peace would possibly seem like, or whether or not America or its European allies would assure that Ukraine would stay an impartial state. And never as soon as did he counsel that Mr. Putin might need to surrender one thing in return — or what would occur if the Russian chief determined to maintain on combating.

It was, briefly, a speech oddly indifferent from the questions which were roiling Washington since Mr. Trump started issuing his wave of government orders, since he insisted that america take management of Greenland and the Panama Canal and rebuild Gaza with out Palestinians, or since he started suggesting, first as a joke after which in tones extra menacing, that Canada could be sensible to turn into the 51st state.

True, Mr. Trump has by no means been one to dwell on coverage; in his first time period, introduced with a sequence of choices on coping with a posh telecommunications concern, he declared, “That is actually boring.”

However given the gravity of Mr. Trump’s latest actions, it was not unreasonable to look to the speech for perception into the place his America First instincts are taking the nation and the world, as he seeks to scrap parts of the Western-dominated system of legal guidelines and guidelines which have guided states in NATO or the European Union.

Nothing like that was provided. In some methods this speech was pure Trump, designed extra for applause strains than deep examination. And the theater of all of it was spectacular, right down to the removing, on the order of Speaker Mike Johnson, of the 77-year-old Consultant Al Inexperienced, a Texas Democrat, for standing in protest and shouting “you don’t have any mandate to chop Medicaid.”

It turned out to be the one dialogue for the night of Medicaid — among the many most politically explosive points dealing with the administration and the Republican-controlled Congress — and it ended when Mr. Inexperienced, waving his cane, was escorted from the ground.

But it surely was additionally pure Trump to have a good time disruption he had triggered with out describing its long-term targets, past the slogan of advancing what he referred to as a “common sense revolution.” He didn’t speak in any element about tips on how to tackle America’s greatest international challenges — resembling dealing with China’s rising attain and increasing nuclear arsenal or a method for peeling the Russians and the Chinese language away from one another.

In reality, he barely talked about America’s two greatest nuclear-armed superpower rivals in any respect, a lot much less their work collectively.

Nor did he dwell on his order for a “freeze on all international support,” a step that has had profound human penalties: the inevitable deaths of the world’s poorest, who had been depending on American meals or drugs that was out of the blue locked away in warehouses throughout Africa and the Center East, or the paralysis of a program to combat AIDS that President George W. Bush says was the crown jewel of his Republican administration, as a result of it saved tens of millions of lives.

He additionally didn’t speak about how america deliberate to interchange the function that U.S.A.I.D. performed in countering the roots of terrorism, or the dangers of hacking away at a little-known a part of the Vitality Division, the Nationwide Nuclear Safety Administration, that retains America’s nuclear stockpile safe.

Mr. Trump appeared to welcome an overture from President Volodymyr Zelensky of Ukraine to get again on monitor with discussions over peace talks and a mineral deal. However Mr. Trump left in place his ban on supply of additional weapons or different main support to Ukraine.

And on commerce, he gave no trace that he would again down on the upper tariffs he imposed on Tuesday on China, Canada and Mexico, and he provided a dizzying array of explanations of what he was doing, together with forcing a crackdown on fentanyl, defending American companies and punishing adversaries.

Whereas he mentioned Canada and Mexico should do “way more” to curb the move of medication, he didn’t give specifics. Nonetheless, his commerce secretary, Howard Lutnick, earlier prompt the tariffs could be largely shortly lifted, to forestall them from turning right into a tax on American customers.

However Mr. Trump caught along with his demand for “management” of the Panama Canal, one thing he’s already a step nearer to this week with the sale of two of its Chinese language ports to an American funding group. He sounded much less martial about shopping for Greenland or taking it by drive.

All this has zigzagging has understandably left America’s conventional allies confused, indignant and suspicious. Canada’s exiting prime minister, Justin Trudeau, who now takes significantly Mr. Trump’s jokes about turning the nation into the 51st state, mentioned he believed the intent of the tariffs levied on his nation was to hole out the nation.

“What he needs is to see is a complete collapse of the Canadian financial system, as a result of that’ll make it simpler to annex us.” He added: “That’s by no means going to occur.”

Maybe shocked by what Steve Bannon, the MAGA strategist, calls the “muzzle velocity” of motion and orders, Democrats have had a tough time addressing the disconnect between what Mr. Trump talks about and what they see as employees get fired, tariffs put upward stress on costs and maintain occasions for tax help stretch into hours.

However in her response to Mr. Trump on Tuesday, Michigan’s newly elected Democratic senator, Elissa Slotkin, began attempting to marshal the argument.

She zeroed in a Trump administration critique on Elon Musk, the world’s richest man, who’s central in Mr. Trump’s effort to shrink the federal work drive. Mr. Musk watched the president’s handle from the Home gallery.

“Is there anybody in America who’s comfy with him and his gang of 20-year-olds utilizing their very own pc servers to poke by your tax returns, your well being info and your financial institution accounts,” Ms. Slotkin requested, with “no oversight, no protections in opposition to cyberattacks, no guardrails?”

Had been People OK, she mentioned, with “the senseless firing of people that work to guard our nuclear weapons, preserve our planes from crashing and conduct the analysis that finds the remedy for most cancers, solely to rehire them two days later?”

Ms. Slotkin, a former C.I.A. officer and reasonable Democrat who was elected in November in a swing state that went for Mr. Trump, sought to flip Mr. Musk’s argument that he’s bringing relentless private-sector effectivity into the federal government.

“No C.E.O. in America might try this with out being summarily fired,” she mentioned.