It was a significant development because it the first set of rules that anyone could see at any time so there was no excuse like oh whoops i didn't know! hope i helped
They wanted to push in North America because they knew that by gaining control over this continent or at least parts of it would mean a lot to the spanish crown and would also be rewared.
Is this a random question? If so, I think that countries on the losing side of the war have already lost to the opponent for the reason they were fighting for. Is that not punishment enough? On top of that most countries that go to war could be 3rd world countries and probably can't afford to lose anything else or can afford to go to war. Respond to my answer if it were not quite what you were looking for so that I can give feedback on what you were looking for. Because your question didn't provide much to go on. :) im open to suggestions and corrections.
Enslaved workers supported the Southern economy because they harvested crops on the southern plantations, and this helped the South's agriculture-based economy.