lesson
Machinery and Metalworking in Worcester and Springfield
Describe the development of interchangeable parts, precision machinery, and the national armory in central Massachusetts.

Describe the development of interchangeable parts, precision machinery, and the national armory in central Massachusetts.
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4th Grade · Social Studies · US-MA-SS
8 lessons
Analyze New England's early industrial revolution, maritime trade networks, and the economic links between northern mills and southern slavery.