Which of the Following Was the Reason Why John Adams

Which of the following was the reason why John Adams wrote that July 2 could be called the birthday of the United States?

A) John Hancock, the president of the Congress, signed the Declaration of Independence on July 2, 1776.
B) The Declaration of Independence was presented to the Congress on July 2, 1776.
C) Richard Henry Lee, a Virginia delegate to the Continental Congress, proposed, on July 2, 1775, that the colonies officially declare their independence.
D) The first American revolutionary movement started on July 2, 1774.
E) On July 2, 1776, the Continental Congress voted to dissolve ties with Britain, essentially declaring independence.