Final answer:
The U.S. Constitution imposed regulations on the slave trade and protected the institution of slavery until its later abolition by the Thirteenth Amendment in 1865.
Step-by-step explanation:
The Constitution of the United States dealt with slavery-related issues in several ways but did not outlaw it immediately. Article I postponed the abolition of the foreign slave trade until 1808 and imposed no restrictions on the domestic slave trade. Furthermore, Article IV included a clause, known as the fugitive slave clause, that required states to return freedom seekers to the states where they had been charged with crimes, thereby hindering the escape to freedom for many enslaved people.
The Constitution also allowed for the continuation of slavery in the southern states without a direct timeline for its elimination. It wasn't until the Thirteenth Amendment was ratified in 1865 that slavery was officially and permanently banned across the United States.