Answer:
Battle of Tenochtitlán, (22 May–13 August 1521). Spanish conquistadores commanded by Hernán Cortés and supported by an alliance of local Indian groups conquered the Aztec empire after a ninety-three-day siege of the capital Tenochtitlán, capturing and much later executing the Aztec ruler Cuauhtémoc.
Explanation:
Frederick Douglass (born Frederick Augustus Washington Bailey; c. February 1818 – February 20, 1895 was an American social reformer, abolitionist, orator, writer, and statesman. After escaping from slavery in Maryland, he became a national leader of the abolitionist movement in Massachusetts and New York, gaining note for his oratory and incisive antislavery writings. In his time, he was described by abolitionists as a living counter-example to slaveholders' arguments that slaves lacked the intellectual capacity to function as independent American citizens. Northerners at the time found it hard to believe that such a great orator had once been a slave.
Answer my is a because if you do invest in something it needs to be in demand for people to want it