Answer is: <span>b.a series of federal land grants. </span><span>Congress passed a law allowing people to claim public land and convert it to private property through homesteading. </span>The Great Plains <span>is the broad expanse of flat land</span><span> that lies west of the </span>Mississippi River tallgrass prairie<span> states and east of the </span>Rocky Mountains<span> in the United States and Canada. </span>
<span>Of the following choices, the one that was credited as a reason for the rise in people settling the great plains was a series of federal land grants, so answer B. In the 1800s, Congress passed a law that gave people to power to claim public lands in the Great Plains an allowed it to be converted to their own private property though the act of homesteading.</span>