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Brainliestttme : ) what are trading blocs and what is the impact of international cooperation?

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 is the best description of a political campaign tactic during the ele tion of 1828