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:
C. The United states had a duty to spread democracy across the continent. I am totally that is the answer
I believe you're looking for the Missouri Compromise.
Answer:
C. Mayan descent
Explanation:
The Mayan civilization spanned in the general area of modern Guatemala, and now many of the people there have a Mayan heritage.