It is A. city blocks laid out in a grid pattern and C. a standardized system of weights and measures.
Answer: I think the answer is "It weakened attempts to abolish slavery."
Answer: he captured the British frontier in Kaskaskia and Vincennes
Explanation:
The enactment of the Clean Air Act of 1970 (1970 CAA) resulted in a major shift in the federal government's role in air pollution control. This legislation authorized the development of comprehensive federal and state regulations to limit emissions from both stationary (industrial) sources and mobile sources.
Answer: No
Explanation: Because living in the 20th century has great things that the 1500s didn't have like technology. In the 1500s the Native Americas rapidly declined as well.According to Noble David Cook, a community of scholars has recently, albeit slowly, "been quietly accumulating piece by piece data on early epidemics in the Americas and their relation to the subjugation of native peoples."
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