Throughout World war 1 airplanes were most often used to Bomb targets on land because this was seen as one of the most effective ways to hurt the enemy.
Humans originated from Africa
Answer:
It is
Explanation: Once an American flag touches the ground it has to be retired. (By burning it)
Thank you for posting you question here at brainly. The longest, deepest, and most pervasive depression in American history, lasted from 1929 to 1939. Its effects were felt in virtually all corners of the world, and it is one of the great economic calamities in history.