Answer:
The "Iron Curtain" that Churchill referred to is the fact that ultimately the Soviet Union controlled Eastern Europe.
Or in other words, "the political, military, and ideological barrier erected by the Soviet Union after World War II to seal off itself and its dependent eastern and central European allies from open contact with the West and other non-communist areas".
Maryland was intended to be a catholic refuge.
The Thirteenth, Fourteenth, and Fifteenth Amendments reflected the growing 19th century American trend of "progressivism," since these were all meant to give African Americans more rights in the United States.
For Plato is:
A.
It solidified the people’s resolve for constitutional reforms.
They believed it helped them in the afterlife that's why it was so important