Answer:
Somme, Ypres, and the Western Front
Explanation:
Periodization divides history into discrete, quantified named blocks of time in order to facilitate the study and analysis of history.
<span>Investing in foreign-made films and importing them to the U.S.</span>
Many American's who didn't want the U.S. to enter the war must've felt as iff the country didn't care about their opinion.
Although the effectiveness of these tactics can be question, it was in "a Korea and Indochina" that the Eisenhower administration effectively use brinkmanship, since this was part of the Cold War.