The Federal Communications Commission is an independent agency of the United States government created in 1934 as the institution to regulate interstate communications by radio, television, wire, satellite and cable. This is the agency that would most likely regulate satellites used for worldwide communication. The agency also has jurisdiction over areas such as broadband access, fair competition, radio frequency use and homeland security.
The option that does not explain why a large part of the Great Plains became known as the "Dust Bowl" would be that "<span>The soil of the Great Plains was too rocky to support farming," since the soil was (usually) relatively fertile. </span>
It is estimated by some historians that in the transatlantic slave trade some 25 to 30 million people - men, women, children - were abducted or sold and then transported from Africa to America and other continents. It lasted 4 centuries.