One way that politics/society is different today as in 1939 is that in 1939 voting wasnt the same for some people, but today everyone has rights to vote. One way that is the same is that males have been president since 1939- today.
The role of a citizen in Mexico is the changing of political parties.
Hope this helps!
It stretches along a long coastline
He threatened to send troops to break up the strike
He was a nonviolent leader who fought for ending segregation