Trump reiterated on Friday that authorities need to "dominate the streets," and criticized governors in states that had rejected sending in the National Guard during protests and rioting.
Trump's remark came after the former Secretary of Defence on Wednesday criticised the President saying that he is the "the first president in my lifetime who does not try to unite the American people".
The recurring frustration is expected to lead to more desperate acts as the vandalism and violence targeting the Indian High Commission in London on September 3 carried out by Pakistanis in Britain.
Esper has been the acting secretary of defense since Patrick Shanahan, the previous acting secretary, quit last month.
The move comes as the Trump administration is grappling with increasing tensions in a number of high-profile hot spots around the globe, from Iran to Venezuela to China.
The US-led multinational coalition has been engaged in an operation to drive out the Islamic State (IS) militants from their last stronghold in the eastern Euphrates region in eastern Syria.
As 2018 draws to a close and on the eve of the second anniversary of Donald Trump’s inaugural, the two developments in quick succession are a reflection on the ability of the 46th President.
“We are totally prepared for a very long shutdown,” was Trump’s facile justification of an ugly denouement, scarcely realising that a long shutdown hurts millions of people who rely on the government for services and pay cheques.
The US and India have made meaningful progress advancing bilateral defence cooperation over the past year, US Secretary of Defence James Mattis said.
He characterized the killing as not only a human rights issue but also a national security concern for nations in the Middle East.
