What were the competing political plans for reconstructing the defeated Confederacy

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after the spaniards introduced horses to plains native americans, the lives of the tribes changed. tribes became less settled and sedentary. the horse allowed them to hunt animals such as bison or buffalo, and, instead of staying in one place, tribes began to be nomadic.

ecologists can be teachers or research scientists. they can work for environmental organizations like the nature conservancy or for the government. they may work at museums, zoos and aquariums.