Which of the following was not once a tsar of Russia? A) Peter the Great
B) Catherine the Great
C) Ivan the Terrible
D) Charles the Bold

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