Which document allowed union officers to recruit African Americans in the south during the civil war?

The document that allowed Union officers to recruit African Americans in the South during the Civil War was the Militia Act of 1862. This act authorized the enlistment of Black soldiers into the Union Army and allowed for the formation of regiments composed of African American troops. It marked a significant shift in the Union's military policy, recognizing the contributions of Black soldiers to the war effort. Subsequently, the establishment of the United States Colored Troops (USCT) further facilitated this recruitment.