This hurts my brain haha whaaat
The answer is the North Vietnamese took over the South Vietnam spreading communism Southward and this proved the domino theory (if one country come under the influence of communism, the surrounding countries would follow).
When the British civilians were not allowed to move into the newly won Ohio valley. That was one reason the colonists prepared the revolutionary war, even thought it was not the main reason. But that is one of the first.
The Articles of Confederation, was in effect from March 1, 1781, when Maryland ratified it. The second, The Constitution, replaced the Articles when it was ratified by New Hampshire on June 21, 1788.