Because the Europeans had already been exposed to the diseases and had built an immunity to it, and the Native Americans hadn't, hope this helps
Answer:
A scandal involving an illegal break-in at the Democratic National Committee offices in 1972 by members of President Nixon's reelection campaign staff. Before Congress could vote to impeach Nixon for his participation in covering up the break-in, Nixon resigned from the presidency., The falling of Nixon; When people on Nixon's campaign broke into the Watergate Hotel and stole dirt on the Democrats. Although Nixon was not responsible he covered it up and got the blame., Nixon's Impeachment.
Explanation:
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ANSWER: "whistleblower" .
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Explanation:
USA IS THE DEVELOPING COUNTRY.
IT'S A VERY CLEAN PLACE.