Answer:
I believe it is A
Explanation:
The Vietnam war was during the 20th century and one of the first independent countries in Africa was during the 1840s, which would also knock out options D and C. I really hope this helps :)
Ida B. Wells, daughter of slaves, a journalist, that was born in Holly Spring Mississippi last July 16, 1862. She led the anti-lynching crusade in the United Sates in the 1890s and went on to found and become integral in groups striving for African-American justice.
In the 1600's is when people came to America
Option C, Niccolo di Bernardo dei Machiavelli is the right answer.
Niccolo di Bernardo dei Machiavelli was an Italian politician of the Renaissance period. He was a 16th-century scholar from Florentine who is known primarily for his political doctrines. His most influential philosophical works (the prince and the Discourses on Livy) were printed after his death.