c.submarines
why?
Germany broke its promise to the United States to stop attacking passenger ships (unrestricted submarine warfare). German leaders knew America entering the war would increase the strength of Allied Powers.
Explanation Answer:
In 1997 Morgan Freeman (a resident of Charleston since 1991) approached the school and offered to pay for the prom, provided it be racially integrated.
Headright system allowed settlers their own land
Rockefeller founded the Standard Oil Company in 1870. He ran it until 1897, and remained its largest shareholder. Rockefeller's wealth soared as kerosene and gasoline grew in importance, and he became the richest person in the country, controlling 90% of all oil in the United States at his peak