The Louisiana Purchase (1803) was a land deal between the United States and France, in which the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million.
Trying to recover from the great depression and still damage done from ww1...they wanted to be a peaceful country and not get involded in world crises... hope this helps!
Answer:
To protect her commerce and her manifold interests in even the most distant seas
Nationalism was a great cause of World War one because of countries being greedy and not negotiating. Nationalism shows you are proud of your country and want it to be the best. A lot of causes all linked back to countries all wanted to be better than each other. Nationalist groups in Austria-Hungary and Serbia wanted independence. France wanted Alsace Lorraine back from Germany who was lost in 1871 Franco-Prussian war. The use of Nationalism gave nations false hope and aggressive to win the war. Even if they weren’t able to win a war due to their strength and understanding of plans and leaders. This leads to Imperialism. As you can see Nationalism had made a big dent in Countries understanding and strength of war. Also how different countries wanted land to help their plan succeed in winning the war.
Militarism could have cause the war due to the naval and arms race. The main event of Militarism causing World War one was the naval rivalry which was made after 1900. Britain had the most powerful navy in the world. The new Keiser Wilhelm announced his intention to build a bigger German navy than Britain. Britain felt very threatened by this. Germany’s navy was much smaller than Britain’s navy but the British army was put all over its colonies so they can be protected. Germany didn’t have a big Empire like Britain but most people agreed, at the time, they were the best trained and the most powerful. The Kaiser felt he needed a bigger navy than Britain to protect its country.
The answer is a decrease in the usability of soil for agriculture.
Hope this helps!!! :)