The answer is either B or D
Although you unhelpfully didn't supply the following choices, the answer is
<u>the opportunity for former slaves to leave the U.S.</u>
People had started growing plants and cattle-herding when they grow tired of moving from one place to another. Hunters and gatherers are nomads. They tend to move when they think that the resources are scarce in their location.They believed that if they could grow these foods instead, they would be able to feed their families and community.
Generally speaking, in order for a <span>president to be a successful leader he or she must have "all of the above qualities," although perhaps the most important is the first. </span>
