Final answer:
The Second Continental Congress was attended by 56 representatives, including key figures such as John Adams, Benjamin Franklin, Thomas Jefferson, and George Washington. The correct option is A.
Step-by-step explanation:
The number of representatives who attended the Second Continental Congress was 56. This Congress included many prominent figures instrumental to the American Revolution and the founding of the United States. Notable attendees included John Adams, Benjamin Franklin, Thomas Jefferson, and George Washington.
Other distinguished individuals such as Samuel Adams, to illustrate the breadth of representation and influence within the Congress, also took part in this historic gathering. The delegates were elected by their respective colonial assemblies, representing the interests of the colonies as they moved towards independence from British rule. The correct option is A.