The Tet Offensive Apush.
It was an attack during the Vietnamese New Year.
"<span>During the Spanish-American War, Filipino rebels led by Emilio Aguinaldo proclaim the independence of the Philippines after 300 years of Spanish rule. By mid-August, Filipino rebels and U.S. troops had ousted the Spanish, but Aguinaldo’s hopes for independence were dashed when the United States formally annexed the Philippines as part of its peace treaty with Spain."
Here is a link that leads to more information: </span>http://www.history.com/this-day-in-history/philippine-independence-declared
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The best and most correct answer among the choices provided by the question is the second choice, modeling social behavior for all classes.
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The one that was a factor in the U.S entry in world war I was :
B. the sinking of the Lusitania
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