Answer:
On July 4, 1776, the Congress issued the Declaration of Independence, which for the first time asserted the colonies' intention to be fully independent of the mother country. The Congress established itself as the central governing authority under the Articles of Confederation, which remained in force until 1788.
States because the American people wanted to prevent the central government from becoming tyrannical. But the central government was too weak and could not rely on the states for support.
A - Greeks wrote the most complete history of the early Olympics.
None of the other answers apply in this case. I'ts not true of course that Greeks had no interest in the study of their own history, nor are they only famous because the Egyptians recorded their whole history. They did howevre, write a history of their own olympics and how they were performed.