One of the greatest problems that john adams and the federalists faced in the election of 1800 was a. george washington's opposition to adams's reelection as president. b. the stories circulating about adams's relationship with a slave woman. c. adams's efforts to get america involved in a war with france.

c. Adams's efforts to get America involved in a war with France.

Explanation:

According to my research on John Adams, I can say that based on the information provided within the question one of the greatest problems is Adams's efforts to get America involved in a war with France. Yet this being the case he refused to get involved and  defended it as necessary for national security to not get involved.

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