5.2- Settling the Great Plains250 years from the first settlement of Jamestown before moved inwardThis was mostly brought by the invasionU.S. govt gave railroad companies land to buildHomestead act helped people get free landgave 1.6 million acres to peopleHomestead Scamspeople scouted the landact gave way into a new act into a stricter lawProtecting the frontierhenry washburn protected the environment, and acts finaly wore approved so it was protected, Yellowstone
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