The Americans were huge areas of fertile land, and the European powers needed people to work on its fields. African slaves were a cheap and abundant solution.
The first state to ratify the new constitution was Delaware
The way that the spoils system affect politics during the gilded age is : it helped a political party gained supporters, and breaking the stalemate between democrats and republican.
Generally speaking, after the Battle of Saratoga most of the fighting of the Revolutionary War took place "In the North," since this was a turning point in the war in which the French decided to offer the colonists military and financial aid.
Soviet Union was the first country