The timeline above describes the development and expansion of which era?
a. the ming dynasty in china
b. the joryo kingdom in korea
c. the khmer empire in cambodia
d. the tokugawa shogunate in japan

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