Throughout world war 1, for which activity were airplanes most often used?
a. bombing targets on land
b. transporting soldiers and weapons
c. fighting
d. gathering information

What is the purpose of the system of checks and balances

Which of these played the biggest role in increased urbanization in the late 1800s? a) transportation improved b) the military was stronger c) no one was farming anymore d) steam power was discovered

What spanish colony gained its independence in part due to the efforts and sacrfice of a village priest named father hidalgo? a. argentina b. venezuela c. mexico d. peru answer asap