Answer:
Everyone wants more and more wealth and power, so if they go to different undiscovered lands then they can have more wealth and more land for power. So because of all that the nation grows.
Explanation:
<span>Eric Foner believed that freedom is an effective theme
to focus on in the study of American history because of what happened in the
past during the American civil war the nation faced many controversial issues
such as slavery. Because one of the problems of this American period was
slavery. Furthermore, over three million African-Americans were slaves in the
South and this means that they worked for other people but had no freedom and
received no money for their work.</span>
I think it's either A or D
