The Constitutional Convention is your answer.
Answer:
The first Labor Day holiday was celebrated on Tuesday, September 5, 1882, in New York City, in accordance with the plans of the Central Labor Union. The Central Labor Union held its second Labor Day holiday just a year later, on September 5, 1883.
One would be <span>Closely followed the policies of his precedessor and patron Andrew Jackson and was a key organizer of the Jacksonian Democratic Party</span>
Barlett claimed that Hitler could have climbed down if Chamberlain stood firm and did not make any appeasement. He believed that Hitler doesn't have the support of his people. He thought that if only Chamberlain at that time wage war in Germany, Hitler would easily be defeated.
Mercantilism is an example of an economic system, so your answer is C! :D