The White House is the Executive Branch, The Senate and House are the Legislative Branch.
The Judicial Branch is on its own.
I agree with the term "certainly contributed". Just as its entirely accurate to say that the social/political climate of the Obama years contributed to Trump's election. The climate of the Bush years lead to Obama's election.
Many factors contributed to the Republicans loss. One of the most fascinating and reads on the factors that contributed to the result pasted below. This came from Time magazine! which is reliably Lefty. The story was ignored by the media like Hunter's laptop.
This is on the back of finding out yesterday that the Dems spent $1.5b vs 900m Repubs in that election.
Read and make up your own mind.
For more than a year, a loosely organized coalition of operatives scrambled to shore up America’s institutions
time.com