Final answer:
The Three-Fifths Compromise was the numeration of slaves for the purpose of representation.
Step-by-step explanation:
The numeration of slaves for the purpose of representation was known as the Three-Fifths Compromise. It was a clause in the original U.S. Constitution that provided legal protection for slavery. This compromise counted each enslaved person as three-fifths of a person when determining a state's total population for representation and taxation.