Where was the first major battle of african american troops in the union battle a• richmond, virginia b• charleston, south carolina c•fort pillow, tennessee d• port hudson, mississippi

This was the first major land battle of the war. It took place on July 21, 1861 near the city of Manassas, Virginia. General Irvin McDowell led the Union troops against P.T. Beauregard's Confederate Army

A is your answer.

according to my research (britannica and quizlet) the first settlements were along the huang river because it could give the crops more fertile soil that really it out. this was due to the yellow slit caused by floods of the river.