Answer:
"The 1800 election result revealed a serious flaw in the U.S. Constitution, which said that candidates for president and vice president ran on the same ballot, which meant running mates could be running against each other. The 12th Amendment, which changed the Constitution to prevent the 1800 election problem from recurring..."
Explanation:
The Controversial Election of Thomas Jefferson in 1800
A). studying the elections in countries where compulsory voting has already been implemented -apex
As the demand for slaves grew, the Portuguese began to enter the interior of Africa to forcibly take captives; as other Europeans became involved in the slave trade, generally they remained on the coast and purchased captives from Africans who had transported them from the interior.