Answer:
B. Mission San Antonio de Valero
Explanation:
Mission San Antonio de Valero was established on May 1, 1718, as the first Spanish mission along the San Antonio River.
Enslaved workers supported the Southern economy because they harvested crops on the southern plantations, and this helped the South's agriculture-based economy.
They had a rocket production at Redstone Arsenal, helicopter training at fort Rucker (Alabama)
One of the ways in which the Crusades brought about the end of the Dark Ages in Europe was that they (by accident) opened up a variety of new trade routes, which led to increased travel and cultural diffusion. This was thought to be the "spark in the dark" as the Enlightenment.
D, Civil Rights Act of 1866. In April 1866 Congress again passed the bill to support the Thirteenth Amendment. Johnson again vetoed it, but a two-thirds majority in each chamber overcame the veto to become law without presidential signature.
