Answer:
A continental divide is a boundary that separates a continent's river systems. Each river system feeds into a distinct ocean, bay, or sea. A continental divide is a naturally occurring boundary or ridge separating a continent's river systems this helps a lot with with each river system.
B/c Europe raped Africa and its natural resources and set borders with no consideration of religious or ethnic boundaries
Nature and environment had a big play in the development in early civilizations because that was there foundation to there survival and being able to expand there civilizations, also many of the early civilizations had very strong beliefs based on nature and agriculture that shaped their civilizations and cultures
The causes were the Ohio River Valley. It was originally owned by the French. But, the British colonists wanted more land because their populations as getting bigger and bigger.
