Answer:
because they were used to make crops, they didnt get fed often, and they were beaten if they disobeyed.
hope this helped!!!
Explanation:
While popular images of Cold War-era spies feature high-stakes missions, ... the German V-2 rocket, worked with the US military to develop ballistic missiles.
The answer to the item that you posted is letter A. The Olduvai Gorge in Tanzania is the site of many findings of the earliest humans. It is also one of the important sites to which many had learning and understanding about the human evolution.
One method,if my understanding is correct, is to attack by surpirse or to kill as many people as possible.
By doing that, the killing of numerous/millions of people, usually end on on planes, buildings... That type of stuff.
They usually do bombing of large areas.
~Hope this helped :)