Answer: a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
Explanation:
Answer:
Over the course of the war, 2,128,948 men enlisted in the Union Army,[1] including 178,895 colored troops; 25% of the white men who served were foreign-born
Explanation:
The formation was included when the united states became on with europe
The answer to this question will be C. presidents Lincoln and Johnson
hope this helps<span />
