A variety of reasons. The ongoing debate about federal power had tipped to the side of the 'Federalists,' for one thing. But also, and perhaps more importantly, the practical experience of the nation during the War for Independence had demonstrated that, without a stronger federal government, it would risk failing in its 'grand experiment' of republican self-governance.
Before the Europeans came over to Africa, they had a slave trade. Africans in power, such as kings, would capture other Africans and enslave them, especially if they were from a tribe they were fighting. When the Europeans came over, the African kings started to trade these captured people for technology, like guns. The Europeans would them put them onto miserable ships and they would be brought over to America.
Answer:
One advantage of having representation from districts within a state is that it allows for each of the smaller districts views to be expressed. This is important because i representative of a mostly city district near the mountians is not likely to know what a rural district needs.
British people wanted and made slaves work in their land. The slaves never got paid back. The owners got more money and bought more slaves.
Isn't that horrible, making people work very hard ,but not paying them back?