Answer:
Eli Whitney popularized the interchangeable parts.
Explanation:
Eli Whitney invented the interchangeable parts theory. This technique affected the design part of a product, by dividing it into elements that would be designed separately by maintaining a series of relationships with each other that allowed them to be assembled in order to obtain the final product. Whitney put it into practice for the manufacture of muskets for the United States military, drawing on similar work that had been done long ago by the French inventor Honore Blanc for the French army. This was the basis of parts production and spare parts.
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Answer:
The purposes of the Albany Congress were twofold; to try to secure the support and cooperation of the Iroquois in fighting the French, and to form a colonial alliance based on a design by Benjamin Franklin.
Back then, the north union actually was fighting just for the sake of fighting. So they really didn't have much motivation... But when emancipation proclamation came. That all changed. They had a purpose to fight for, the political unity in the north had inspired more to fight harder, and more to join up. The south already had their motivation to fight harder, to keep the slaves that built their economy.
