They had to build d reservoirs and irrigation ditches to control river flooding
Based on the reading, Upton Sinclair would most likely agree that the government must have a role in regulation of the meatpacking companies.
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Answer:specialization, factory system, machines
Explanation:
I would think that it is C which was concerned about growing German domination of Europe because the United States at this part of the war was still neutral and it's allies in Europe were taking a beating especially Great Britain. France was out of the picture. China wasn't doing so well either. So, the US in an effort to help its allies while still remaining neutral, passed the Lend Lease Act which provided, military, financial support to the countries that needed immediate help/.