It's because that was a time in our history when America has seen it's worse. It's when America was so in poverty that not even Washigton D.C even knew what was going on.
Answer:
Galileo relied completely on what today is understood as the scientific method direct observation and experimentation rather than the Bible or received tradition in his study of astronomy.
Explanation:
Galileo was the towering scientist of his age, much as Einstein was in the twentieth century. If, as we should, we associate the Renaissance with the beginning of the movement from the centrality of faith to the centrality of reason, he is the exemplar of reason for his period.
He developed the telescope, he was able to study the movement of the planets, discovering the four largest moons of Jupiter and determining that Aristotelean cosmology (a received tradition) was in error, causing a huge stir in the scientific community.
Galileo also studied velocity, dropping balls of different weights (again using the scientific method of direct observation) from the top of the leaning tower of Pisa to time how quickly they fell. He demolished Aristotle's contention that objects of different weights.
The founding fathers created a process for amending the constitution so that the government can adapt with the times and needs of the people
Answer:
Motor neurons stimulate muscles to contract.
CFCs is the answer, hope this helped you.