Why would a child be sent home in Ellis Island?
If immigrants had any of the diseases proscribed by the immigration laws, or were too ill or feeble-minded to earn a living, they would be deported. Sick children age 12 or older were sent back to Europe alone and were released in the port from which they had come. So It seems A is the right anwser.
Leadership was a key factor in the creation of great civilization. Paca the Great was a leader that expanded Mayan power and initiated a building program that produced Mayan's finest architecture and Arts. Moctezuma's leadership played a role in building the last stage of the temple Ehecatl and he conquered some regions in Mexico. However, his leadership ended up being not so good for Aztecs when he helped Spaniards to conquer Mexico because he was convinced that Hernan Cortez was a god. Moctezuma was lapidated by his people.
Most black soldiers were scattered throughout the Continental Army in integrated infantry regiments, where they were often assigned to support roles as wagoners, cooks, waiters or artisans. African Americans also served as gunners, sailors on privateers and in the Continental Navy during the Revolution.
African-Americans fought for both sides, providing manpower to both the British and the revolutionaries.