Answer:
Explanation:
The greatest effect of the European intrusion into the Americas was to increase the Indian and mestizo population through intermarriage with the whites. The primary cause of the massive population decline among native Americans after the European arrival was not warfare but disease.
George Washington warned against in his Farewell Address :
( D ) Political Party Infighting.
<em>George Washington advised American citizens to view themselves as a cohesive unit and avoid political parties ínfighting</em> and issued a special warning to be wary of attachments and entanglements with other nations.
