By a war of both of the systems
By issuing the Declaration of Independence, adopted by the Continental Congress on July 4, 1776, the 13 American colonies severed their political connections to Great Britain. The Declaration summarized the colonists’ motivations for seeking independence. By declaring themselves an independent nation, the American colonists were able to confirm an official alliance with the Government of France and obtain French assistance in the war against Great Britain.
Mountains isolated the city-states Athens and Sparta. Those city states had different cultures and they were at war.
Hope this helps.
I believe the correct answer is C
They couldn't reach an agreement on the rules of order & The Third Estate refused to abide by the voting rules of the ancient regieme.
