For 31 the answer is
Voting in an election and contacting our elected officials are two ways that Americans can participate in their democracy. Voting booth in Atascadero, California, in 2008. Photo by Ace Armstrong. The process required to become a citizen is called naturalization.
So the answer is probably C
and for 32
the and we is also C
The answer is True, it cause increase in the population
By building the Imperial City.
Hope this helps :)
James farmer
Bayard Rustin
George houser
His killer wanted to unite all Serbs under one government not Austria.The Austrians wanted to punish Serbia plus the alliance system pulled one nation after another into the war.