Which of the following contributed most to increase settlement of the Great Plains ?

A series of federal land grants

Explanation:

Congress passed a law allowing peope to claim public land and convert it to private property through homesteading. The Great Plains is the broad expanse of flat land that lies west of the Mississippi River tallgrass prairie states and east of the Rocky Mountains in the US and Canada.

abraham lincoln, according to anyone who was connected with agriculture, represented the worst of northern politicians. shortly after lincoln was elected, south carolina seceded from the union. they along with other southern states, retained their anger. in a way, it was their own fault: the democrats were split in the south. some wanted slavery to be extended in other states that were about to join the union and some didn't want it badly enough. lincoln had a solid backing from his party: the republicans were united in not wanting slavery to be expanded.

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