India, Nov. 6 -- The midterm election results could set the stage for a political showdown between US President Donald Trump and a Congress controlled by Democrats. While the party's electoral gains may give it greater influence over the legislative process, they do not guarantee that its proposals will become law.

Trump retains one of the most significant constitutional powers available to a US president: the power to veto legislation passed by Congress. This means that even if Democrats secure enough votes to pass bills in both chambers, the president can still prevent them from becoming law.

Democrats are expected to use their congressional majority to challenge several of Trump's policies, introduce legislation to reverse some of hi...