Answer:
D.
Explanation:
This is because these groups had to move with their food because their food was always moving.
<span>There are a number of reason to explain why is voter apathy a problem in the united states. Such as "irrational” in the sense that the costs of voting outweigh the potential benefits. In order to vote,New generation of USA is not interested i politics. U.S people must take time out of their busy weekday schedules to go to the polls.</span>
This is self-explanatory. If President Grant was busy with scandals, he wouldn't have time to focus on Reconstruction efforts in the South! He wouldn't be able to put as much effort towards it.