after robert smalls escaped to the union army how did he play an important role in the out come of the war

His work as a spokesperson for African Americans helped convince Lincoln of allowing free African Americans to serve in the Union army and later became a way to recruit them, strengthening the Union´s troops. Furthermore, his experience in the South Carolina Sea Islands allowed him to improve the Union´s military campaign in around 17 missions as the pilot of the USS Crusader, and next as the captain of the Planter.

Explanation:

Born into slavery in 1839, in Beaufort, South Carolina, Smalls became a national sensation after he escaped to the Union army in a stolen Confederate ship.

i believe we're not a republic so that is a hard question