During debates about slavery at the Constitutional Convention, delegates
from northern states believed that:

The reason for including this clause was explained by Richard Dobbs Spaight, who had served in the Confederation Congress, in the North Carolina House of Commons, and as a delegate to the Constitutional Convention. Some delegates from the northern states wanted to abolish the slave trade completely and immediately, whereas some delegates from the southern states didn’t want the federal government to interfere in the slave trade at all. Slave labor was essential to the southern economy, so those delegates “would not consent to the desire of the Northern States to exclude the importation of slaves absolutely.”

Explanation:

is there answer chooses?