It's probably D. To point out problems in the south given the subject of most of his marches was going against racism in the south
If the president vetoes a bill, it can still become law if congress override the president veto with A TWO-THIRD majority.
If a president refuses to sign a bill into law, the congress men can still manage to pass that bill into law, if 2/3 of them can vote in favor of the bill. That is, to pass a bill into law despite the president's objection, then it requires a two-third vote from each of the chamber.
Mali’s greatest ruler was Mansa Musa who was known to travel across Africa with hundreds of slaves who carried 4 pounds of gold while camels carried 300.
The Lend Lease Act was a way for the United States to lend military supplies such as ships to Great Britain during World War II without actually entering the war.