Answer:
The Europeans brought with them diseases such as measles and smallpox against which the American tribes had no natural immunity. They spread like wildfire, killing rulers of both the Aztecs and Incas, along with millions of other people.
Droughts and severe winters were the main problems facing western cattle barons
The correct answer that would best complete the given statement above would be 3.3 percent (3.3%). <span>In 2010, the poorest 20% of american families earned 3.3% of the country's total income for the year. Other options in this question include 25%, 50.2%, 65.5% and 85%. Hope this is the answer that you are looking for.</span>
<span>President Roosevelt's key environmental preservation measures were not strictly tied to programs and laws. Its fundamental role was in the field of land protection and expansion of federal reserves.
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