The British settlers brought new diseases that the native groups weren't used to yet, so many native people died.
Answer:
Ford helped develop an infrastructure of dealer-franchisers, gas stations and better roads to support his cars. ... The company's assembly line in Highland Park, Mich., humming along in 1914 to churn out a new car every 93 minutes, threw America's Industrial Revolution into overdrive
Explanation:
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Tertiary industries, this is another level of industry.
