Answer: The last option: The physical Geography kept them isolated from other powerful civilisations
Explanation:
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Answer:
b. Johnson was abusing his presidential powers
Explanation:
After taking office, he won passage of a major tax cut, the Clean Air Act, and the Civil Rights Act of 1964. After the 1964 election, Johnson passed even more sweeping reforms. The Social Security Amendments of 1965 created two government-run healthcare programs, Medicare and Medicaid.
Crops from America were grown and sold in Europe and Africa.