At the time, the US was trying to practice Isolationism. They refrained form signing the treaty of versailles, and thus were never involved in the League of Nations.
It is false that anthropologists do ethnographic research in only preindustrial societies.
Anti-federalists are in opposition to the U.S. Constitution. On the other hand, federalists are those who favor the Constitution and prefer the strong federal government.
Question: <span>What was a major reason the United States entered World War I (1917)?
Answer: </span><span>to maintain freedom of the seas</span>