WHAT WAS THE ROLE OF FREE AFRICAN AMERICANS IN THE NORTH?

In Virginia alone, as many as 150 black men, many of them slaves, served in the state navy. After the war, the legislature granted several of these men their freedom as a reward for faithful service. African Americans also served as gunners, sailors on privateers and in the Continental Navy during the Revolution.

Explanation:

the united states broke it's neutrality was the constant german sinking of trading vessels resulting in the loss of lives, one example would be the lusitania.