Those agencies could not carry out their mission of enforcing regulations
Answer: Great Britain and China
Explanation: Britain was running out of money, due to their love of tea, mainly from China. There was an unfavorable balance of trade, and Britain wanted it to be in their favor. So, they got China hooked on opium, and the Opium Wars resulted.
The plague stopped the movement plus lack of technology
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Answer:
Senator Joseph McCarthy (R, Wisconsin)
Explanation:
Senator McCarthy began what would be known as the Second Red Scare or the McCarthyism Era. He proclaimed that there were communists everywhere which caused a witch hunt that can be compared to that of the Salem Witch Trials.