Answer:
his studies on planetary motion
Explanation:
Answer:
Europeans gained new materials like gold, silver, and jewels. The Europeans enslaved the Native Americans and took most of them back to Europe. The explorers also gained new foods like corn and pineapple. Columbus also discovered tobacco seeds and brought the seeds back to Europe.
Explanation:
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C. farm cooperatives helped farmers pool their money to buy tools and supplies
People from rural areas and from foreign countries came to cities for jobs
