George Washington was appointed as the Supreme Commander of the Continental Army.
Answer:
Very many.
85% - 95% of Native Americans have died due to disease from Europe, with Europeans exploring the New Continent, and animals being brought over from Europe, most couldn't fight the diseases.
Maine and Missouri were added
The answer should be a and b
Answer: Research
Explanation: Research is a deliberate attempt to find an answer or solution to a problem along with help of observation, study, survey, comparison, literature review, and experimentation.