What were airplanes first used for? How about later on?

Lee's campaign to invade maryland was stopped after his defeat at the battle of: a. seven pines b. williamsburg c. antietam d. none of these

If french military leaders declared that their primary goal in the war was to defend russia, which of the following conclusions would be supported?

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