He was trying to claim he was no longer a slave because his master had taken him to states in which slavery was illegal.
D.tragedies is the answer
<span>The correct answer is Irrigation. </span>
President Richard Nixon is the only president to resign from the office and was the 37th president of the United States, serving from 1969 to 1974. Vice president Gerald R. Ford of Michigan took the office as the new president to complete the remaining 2 1/2 years of Nixon's term.
