Your answer would be Imperialism :)
Fighting in Vietnam started in 1954 when technically France tried to reassert its colonial claims to Indochina, although Japan had claims as well. It was primarily a colonial beginning.
The correct goverment is the last option
Answer: Era of good feelings
Explanation:
Many people believe the United States should of helped Germany after World War One. After WW1 the Treaty of Versailles created a great depression in Germany, because of the aggressive reparations. Many historians believe that the end of WW1 caused World War 2.