In June of 1941, President Roosevelt issued Executive Order 8802, banning discriminatory employment practices by Federal agencies and all unions and companies engaged in war-related work.
The first sentence is referring to a secondary reinforce while
the second sentence is referring to primary reinforce. A primary reinforce are
usually base on biological things such as the water we drink or food that we
eat while the secondary reinforce is base on the conditions that humans is
reinforcing such as money or grades.
McHenry was a signer of the United States Constitution from Maryland and the eponym of Fort McHenry. He was a delegate to the Continental Congress from Maryland, and the third United States Secretary of War (1796–1800), under the first and second presidents, George Washington (administration: 1789–1797) and John Adams (administration: 1797–1801).
Just choose the one you like.
King Cyrus allowed Jewish exiles to return to his kingdom aka Jerusalem I think .
Economics is the answer to the question