The Louisiana Purchase made the United States twice the size it was before the purchase. They had to decide whether or not the states would be free or slave states, resulting in sectionalism.
The curse was not real per se. It is like faith. You believe in it, and it's real. If you don't then it's not. The ancient Egyptians believed it was real and would protect their loved ones on their journeys. Unfortunately for Lord Canarvon and Howard Carter's team, they didn't realize all of the bad things that could happen to you if you breathe in millenia of stale air. Most died from some type infection, and the curse was reborn. For that reason, when they now open a sacrophagus, they only open it enough to let some air out at a time so it can diffuse with fresh air. So scientifically the curse is not real, but it depends on your beliefs.
If you are wondering how I write so quickly, I adore history.
The first constitution of the United States, created to form a perpetual union and a firm league of friendship that was to manage political and economic relations among the thirteen original states; This term is important since the Articles of Confederation were what set forth the first real government in America. '
I DID SOME SEARCHING ON THIS AND HERE IS WHAT I FOUND I REALLY HOPE THIS HELPS
<span>Isolationism tends to be borne out of a sense of nativism: that is, the idea that we are the best country among others tends to make us wary of wanting to help other nations. In the '20s, this idea that we shouldn't entangle ourselves in the arguments of other nations led to the US taking an isolationist stance on world diplomatic matters.</span>