This answer is A.
The major purpose of the 1963 March on Washington was to support the passage of the Civil Rights bill.
Newt Gingrich declared about federalism in 1994 that the 1960s-style federalism was dead. Newton Leroy Gingrich<span> is an American politician and author from Georgia who served as the </span>50th Speaker of the United States House of Representatives<span> from 1995 to 1999.</span>
The bill of rights and the human rights.
In the US, the 1st amendment of the Bill of Rights grants freedom of expression, speech, assembly, petition, and others.
Americans thought that Napoleon might withdraw the offer at any time, preventing the United States from acquiring New Orleans, so they agreed and signed the Louisiana Purchase