I think the answer is D if not the answer should be B
Stopping the spread of communism was the top priority outlined in "<span>the Truman doctrine," since Truman was one of the US presidents who was in office during the Cold War and wanted to "contain" communism. </span>
Answer:
The completion in 1825 of the Erie Canal below connecting lake Erie with the Hudson River,was an event of major importance in Michigan history because it greatly facilitated the transportation of passengers and freight between the eastern seaboard and Michigan ports.
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Answer:
communications inventions
transportation inventions
names of specific inventors or entrepreneurs
examples of consumer goods
the impact of inventions on American society
Explanation: