Rufus Putnam, was the first settler who went into the Ohio Valley <span>September 29, </span>1789.
the American colonists were angered by the presence of British soldiers who had found deployment in America. This led to the Boston Massacre, which tightened the tension between the colonists and Britain even more
Bleeding Kansas (1855-1861) consisted of millions of dollars in property damage, and dozens dead, due to the onslaught of violence from pro-slavery Border Ruffians who clashed with Free-Staters (jayhawkers) on the matter of slavery. Eventually, this would lead to the voting of slavery's justification in Kansas, but obviously the popular sovereignty was coated in blood.
The Great war was with Ottoman Empire
A factor which didn't lead to decolonization movements in Africa would be Greed - b. Greed was actually the reason why there was colonialization in the first place in Africa. The people at the time saw this as an excelllent opportunity to make a lot of money.