Ok so according to my calculations the answer is C.
Answer:
1841: John Tyler endorsed the idea of manifest destiny to defend the continued expansion of the United States, including the annexation of Texas.
a meeting in Philadelphia in 1787 where delegates decided to throw out the Articles of Confederation and draft the Constitution
In 1955, two large labor unions united in order to form the AFL-CIO. (<span>The American Federation of Labor and Congress of Industrial Organizations)</span>