What action of the federal government in the 1790s suggests that free blacks were understood to be citizens?

Question

Quizplus · Accepted Answer

The federal government issued seamen's protection certificates to American sailors to prevent them from being impressed into foreign navies. These certificates were also issued to free African Americans, suggesting that they were recognized as American citizens, as these documents served as a form of identification affirming their citizenship and protection under the U.S. government.

What Action of the Federal Government in the 1790s Suggests