D. The legislature made the decision on whether or not to keep integrated schools open.
By the mid-1920's, the United States had adopted an immigration policy that severely limited the number of immigrants that came from each country into the United States. The 1920's was a time of prosperity and happiness and the government didn't want to ruin that by allowing a lot of people from different nations into America. <span />
<span>Besides connecting the eastern United States with the western United States, the Transcontinental Railroad was also instrumental in providing employment for thousands of Americans. </span>
The Kepler theory about Planets