What is the approximate area of a circle with a radius of 15 feet

How did southern states respond to the ratification of the fourteenth amendment?

Human rights groups in the 20th century worked to: o a. european imperial powers maintain control over their colonies. o b. convince citizens in impoverished countries to embrace nationalism. o o o o c. ensure that people around the world were protected from brutal treatment. o d. weaken the influence of international organizations like the united nations. sub

Which historical interpretation is supported by this source?