Which factor made it most difficult for soldiers to cross the area between the trenches

Which of these constitutional amendments made all people born or naturalized in the united states into citizens of the united states ?

Quic pl what was the purpose of columbus’s voyage? a. to make an accurate world map b. to find sources of gold and silver c. to find a route to china and india d. to determine whether the world was round

How has germany developed through the 19th centuryexplain in about 100 words the sequence of events that led to the nation’s unification.btw if u use any sources (aka websites) lemme kno