Why was there a significant drop in the population of American Indians from an estimated 60 million in 1491, to 200,000 in 1910?

Explanation:

Estimated Bison Population ... An estimated 30 to 60 million bison living in North America. ... moving westward from the east coast, they brought changes to native habitat ... Mass destruction of the once great herds of bison began. ... Native Americans market hunters concentrated on cow bison, because of their prime hides ...

the correct answers are as followed:

1) to express a political opinion about an issue or event. - people who create these cartoons use their artistic ability to show where they stand on important issues in society.

2) to persuade citizens to adopt a certain belief. - political cartoons are usually critical of a policy/event that has taken place. their goal in this criticism is to get the reader to see their side of the story and to agree with it.

3) entertain readers by using humor.- often times, political cartoons are supposed to be entertaining for the reader.

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