Right after his father died, Washington A
joined the army.
B
ran away to New York.
C
wrote a book about his father’s life.
D
helped his mother run the plantation.

D helped his mother run the plantation.

Explanation:

After his father’s death in 1743, Washington inherited 10 slaves. In 1761 Washington acquired a farmhouse (which he later expanded to a five-farm estate) called Mount Vernon. In 1760, 49 slaves lived and worked on the estate; by 1799 that number had increased to over 300.

other sources of text

explanation:

this can be magazines, news reports, scholarly articles, textbooks, research papers etc.