One result of the contact between europeans and american indians was the spread of disease. which statement best describes the effect disease had on european and american indian populations?
a. the population in europe drastically declined due to exposure to american indian diseases.
b. europeans and american indians were equally affected by outbreaks of disease in the new world.
c. american indian populations were decimated by diseases brought by the europeans.
d. many europeans who came to north and south america died from american indian diseases.

According to history, the Native Americans contracted the diseases brought over from Europe by the first settlers, and since the Native's immune systems had never been in contact with these diseases, many died.

Short  American Indian populations were decimated by diseases brought by the Europeans.  

..Federalism is the division of power among central government and smaller regional governments. ... Grants-in-aid are large sums of money the federal governments have given to the states thanks to the teamwork of the federal and state government

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