Answer:
The main idea of Thurgood Marshall's speeches was the importance of civil rights. Toward that end, he emphasized the idea of the Constitution as a living document and the significance of the individual. The defense of democracy and of equal justice under the law required constant vigilance.
Explanation:
An antonym would be "Crucial"
A Compound sentence it has 2 independent clauses that has related ideas that can be joined by a coordinating conjuction.
Multiple choice questions are also called closed ended questions