Native peoples of America had no immunity to the diseases that European explorers and colonists brought with them. Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians.
U-boats were military submarines used by the Germans. While they were useful against warships, U-boats were the most effective in economic warfare by blockading coasts so resources could not be shipped to Germany's allies. WWI was the first major war that employed submarines in warfare.
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Japan ( Hiroshima and Nagasaki)
But, I don't how are there more than 1 country recovering from atomic bomb explosion
Answer:
Revenues come mainly from tax collections, licensing fees, federal aid, and returns on investments. Expenditures generally include spending on government salaries, infrastructure, education, public pensions, public assistance, corrections, Medicaid, and transportation.
Explanation:
