A-A+
Why does the author mention the Louisiana Purc
问题详情
Why does the author mention the Louisiana Purchase in Paragraph 1?
A.To discuss how the territories of Ohio and Alabama were added to the nation.
B.To identify the start of Americans" western migration.
C.To explain why pioneers were able to travel to the Mississippi River.
D.To illustrate how America expanded after achieving independence.请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:D