Answer:
The political backing to begin impeachment came when Johnson breached the Tenure of Office Act by removing Edwin Stanton, Secretary of War, from his cabinet. ... The House of Representatives voted impeachment and the Senate tried the case. The trial lasted from March to May, 1868.
Explanation: since i helped can i have brainlist please that would be greatly appericated :D
It would be John Cabot's Voyages.
A
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