It helped them find and attack German planes.
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I believe it is C. He used extreme violence to scare enemies into surrendering.
Answer:
Hamilton and his associates, typically urban bankers and businessmen, then formed the Federalist Party to promote their shared political ideas. Federalists believed in a centralized national government with strong fiscal roots. In addition, the Federalists felt that the Constitution was open for interpretation.
The crusades strengthened the power of the. serfs in europe increased european isolation
It would be the Cold War between the US and the Soviet Union in which Reagan fought any progressive movements like the Sandinistas in NIcaragua by funding the contras and also he bombed Kaddafi in Libya by trying to make him out to be a tyrant when in fact it turns out that he transformed Libya into one of the most modern and progressive countries in Africa under him.