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Explanation:

Enclosure - The process of taking over and consolidating land formerly shared by peasant farmersIndustrial Revolution - Production shifted from simple hand tools to complex machines, and sources of energy shifted from human and animal power to steam and later, electricity. Entrepreneur - Managed and assumed the financial risks of starting new businessesLabor Union - Organized groups of workers who bargain with their employees for better wages, hours and working conditionsEnterprise - A business in areas such as shipping, mining or factories.

The answer is b.african american abolitionists emphasized legal and social equality