Answer:
Explanation:
Plato first proposed that the planets followed perfect circular orbits around the Earth. Later, Heraclides (330 B.C.) developed the first Solar System model, placing the planets in order from the Earth it was is now called the geocentric solar system model.
Signed into law in May 1862, the Homestead Act<span>opened up settlement in the western United States, allowing any American, including freed slaves, to put in a claim for up to 160 free acres of federal land. By the end of the Civil War, 15,000 </span>homestead<span> claims had been established, and more followed in the postwar years.</span>
