Can someone please help me

Which factor has played the most important role in changing the way history is studied over time?

During world war 2 mexican workers came to the united states as part of the

Which of the following is not a requirement to become a us representative (congressman/congresswoman)? a.be at least 25 years old b.have been a citizen of the united states for the past seven years c.be (at the time of the election) an inhabitant of the state they represent. d.hold a college degree