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The map that is given gives you a hint to what the answer is. On the legend it states the hint, "people per km²". This tells us that the map shows the population density in South America. A population density map shows which areas have the most people to least people.
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Many Americans were exposed to the ideas of the federalists by the "Federalist Papers".
Explanation:
Emmett Till's murder was a spark in the upsurge of activism and resistance that became known as the Civil Rights movement.
Answer: Increased the number of people who have healthcare.
Medicare is a federal program that provides health insurance for people over the age of 65 or for who are disabled and don't have an income.
Medicaid is a federal and state program that provides health coverage to the group of people who have low income. Both Medicare and Medicaid have increased the number of people who have health care since 1960.