Answer:
Explanation:
Natural fortifications also helps defend a country. For example the Alps in Italy defends them very well. Rivers can also be a defensive position a country can fall back to. So no, fortifications and defenses arent the only thing. Nature is able to help too.
<span>many ethnic groups wanted their own nation-states</span>
Answer:
(True) Oil helped the nation's economy due to oil being valuable
Answer:
1803
Explanation:
Louisiana was purchased by the U.S. from the French in 1803. It wasn't admitted into the union until 1812.
