The answer is : Communist insurgent
Martin Luther King Jr.'s letter was an answer to a message from a group of clergy in Birmingham in 1963. In their “Call for Unity,” the clergy appealed for restraint and “common sense,” and a withdrawal of support for the civil rights demonstrations.
During early 1941, with war raging in Europe, Franklin D. Roosevelt pushed to have<span> the United States' factories become an "arsenal of democracy</span>
Answer:
Archaeology it's the field of anthropology that studies the ancient civilizations.