In The Federalist Paper n. 51 James Madison explained and defended the checks and balances system in the new Constitution. The Checks and Balances system consists of each branch of the government has a power to check the power of the other two branches, each branch of the government is dependent on the people who are the source of legitimate authority.
This was very important because it was a revolutionary feature that influenced the US Constitution and other Constitutions around the world.
Answer:
"War of 1812" would be the best option from the list in terms of an undeclared war, since there was never a truly formal start to the hostilities--it just began when the British started taking American sailors by force. There was an official end, however.
Explanation:
The effect of the entry of the United States into WWI was that it helped bring a quick victory to the Allies. It caused the German Victory.
Two months after his defeat of Napoleon Bonaparte's colonial forces, Jean-Jacques Dessalines proclaims the independence of Saint-Domingue, renaming it Haiti after its original Arawak name. In 1791, a slave revolt erupted on the French colony, and Toussaint-Louverture, a former slave, took control of the rebels.
I hope this helps!