The announcement was not framed as an executive order, but rather as "measures" that would go "into effect immediately".
Threatening state governors who have declined to deploy the National Guard, Trump said he would deploy the USA military to "quickly resolve the problem for them".
He said the nation has been "gripped by professional anarchists, violent mobs, arsonists, looters, criminals, rioters, Antifa and others".
A curfew, which was set from 11 p.m. until 6 a.m., was ignored.
In a short statement at the White House, Trump threatened to send in the military to states if governors and mayors could not curb unrest.
Under the US Constitution, governors generally have the authority to maintain order within state borders.
The poll suggests that just 28 percent of respondents think those protests were worthwhile, while 46 percent say they opposed them in a general sense.
USA astronatus board space station on landmark SpaceX mission
The blastoff assumes significance as it marks the launch of humans into orbit from U.S. soil for the first time in almost one decade.
A police source told CNN that First Lady Melania Trump and her son Barron were also taken to the bunker. The 200-year-old church that has been attended by every U.S. president since it was opened in 1816, was set ablaze during the protests on Sunday.
The crowd was dispersed not because of violence, but instead to move protesters out of the way so Trump could leave the White House to "pay his respects" to a nearby church.
Oh, and so he could walk across the street and hold a bible in front of a church.
Trump spoke Monday to governors on a video teleconference with law enforcement and national security officials, telling the local leaders they "have to get much tougher" amid nationwide protests and criticizing their responses.
One US reporter wrote on Twitter that the scenes outside the White House looked like a "war zone".
"If you're weak and don't dominate your streets, they're gonna stay with you until you finally do, and you don't want that", Trump told governors. Not only did he run and hide and refuse to speak up at all about what was happening in the world, but they also shut the lights off at the White House.
"You have to have total domination", he added. Democratic Gov. Kate Brown activated 50 OR guardsmen as a "support function only" service to law-enforcement operations "behind the scenes".
"We are exhausted of this happening, this generation is not having it, we are exhausted of oppression", said Muna Abdi, a 31-year-old black woman who joined the protest.