They wanted European powers to end
Manufacturing, production and efficiency had increased through necessity during the Great War. America had emerged as a world industrial leader and the US economy was booming, profits were increasing which led to the period in American history called the Roaring Twenties with a massive rise in consumerism for the wealthy.
Stimulated by severe economic troubles, which produced radical political movements such as shays rebellion and urged on by a demand for a string central government
1. Slave labor was needed for the colonies because there wasn't enough people living inside the south too help farm. Also it was cheaper to get slaves from africa (which is forced to work for their owner for life most of the time) instead of hiring a bunch of Southern farm hands to help them.
2. Cash crops were grown to make BIG money, however, you can't really eat it ( i mean you can try eating tobacco (idk if it can be eaten) or cotton (definetely not). Substinence crop is for eating. Even though you don't make much money selling them, you are able too feed your family (and sell the extras for profits)
3. An artisan slave gets a lot more freedom and are usually treated better than a normal slave because they are skillful in needed stuff. An example of an artisan slave can be found in the book "Stealing South" in which Mr. Ezekiel, the artisan slave 'knows a lot of things' and that there isn't a lot of things that he doesn't know about that goes around that area. He also states that because of his knowledge, he was given greater freedom than most slaves.
hope this helps :D