Defeat in the midterm elections does not necessarily deprive American presidents of the ability to make important foreign policy decisions. Democrats will control both houses of Congress in January, pulling a majority from President Donald Trump's Republican Party. This would weaken his standing domestically during his final two years in the White House. However, history shows that even after serious failures in the midterm elections, US presidents often made fateful decisions related to issues of war and peace, historians said in an interview with VOA.