Why did the Spanish attack the Native Americans???

The ancestors of living Native Americans arrived in what is now the United States at least 15,000 years ago, possibly much earlier, from Asia via Beringia. A vast variety of peoples, societies and cultures subsequently developed.

Explanation:

Years before Christopher Columbus stepped foot on what would come to be known as the Americas, the expansive territory was inhabited by Native Americans. Throughout the 16th and 17th centuries, as more explorers sought to colonize their land, Native Americans responded in various stages, from cooperation to indignation to revolt.

After siding with the French in numerous battles during the French and Indian War and eventually being forcibly removed from their homes under Andrew Jackson’s Indian Removal Act, Native American populations were diminished in size and territory by the end of the 19th century.

Below are events that shaped Native Americans’ tumultuous history following the arrival of foreign settlers.

Explanation:

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answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.