You realize there hasn't been a military "conflict" in the entire time Trump haas been in office...right? But compare that to our previous Presidents.
You are correct in that the U.S. country hasn't been at war in the last 4 years. Tell that to the 9,000 troops in Afghanistan. U.S. maintained limited military presence in Iraq of 5,000 troops as of July 2018. Since this time the number in Iraq has dropped.
On May 20, 2020, President Donald J. Trump issued a Notice to Congress: “... in accordance with
section 202(d) of the National Emergencies Act (50 U.S.C. 1622(d)), I am continuing for 1 year
the national emergency with respect to the stabilization of Iraq declared in Executive Order
13303.”39
Trump compared the pandemic to being at war. The level of civil unrest is particularly high at this time. Some people have compared it to a civil war.
2017 – Berkeley, California, February 1, civil unrest ensued at UC Berkeley as Milo Yiannopoulos was scheduled to speak on the campus.
2017 – 2017 Anaheim, California protests, February 21, protesters demonstrate after police officer grabs boy and fires his gun. Protesters damage property and throw bottles and rocks at police.
2017 – May Day, violence breaks out at May Day protests in Olympia, and Portland, as masked anarchists damage property and clash with police.
2017 – 2017 Unite the Right rally, Charlottesville, Virginia, August 11–12. At a Unite the Right rally of white nationalists and white supremacists opposing the removal of a statue of Robert E. Lee, rally attendees and counter-protesters clashed, sometimes violently. A woman, Heather Heyer, was killed and 19 other injured when a rally attendee drove his car into a crowd of counter-protestors. Two law enforcement officers also died in a helicopter crash while monitoring the event.
2017 – 2017 St. Louis protests, beginning September 15, large protests erupted when police officer Jason Stockley was found not guilty of murder in the shooting death of Anthony Lamar Smith on December 20, 2011. Some of the protests turned destructive and the police became violent. Windows were broken at Mayor Lyda Krewson's house and in the Central West End business district on the first night, many windows were broken in the Delmar Loop on September 16, a few were broken downtown on September 17 after police drove swiftly through a crowd following a peaceful march. Police conducted a kettling mass arrest operation of nonviolent protesters and bystanders, beating and pepper spraying many, including journalists, documentary filmmakers, and an undercover officer. Protests and sporadic unrest continued daily for weeks.
2019 – Memphis riot, June 13, following the fatal shooting of Brandon Webber by U.S. Marshals, Memphis, TN.
20202020 – New York City FTP protests, January 31, Anti-Transit Police and MTA protest resulting in hundreds of arrests over the three separate days of demonstration. Vandalism and violence on train stations was reported.
2020 – George Floyd protests, started on May 27 in Minneapolis, Minnesota after the killing of George Floyd. He was killed in Minneapolis by police officer Derek Chauvin who was later fired and charged with murder. Protests spread to other American cities and then to other countries with the killing of George Floyd garnering international condemnation. The protests were largely peaceful although looting and arson did take place.[8]