Answer:
Galileo gave new credibility to isaac newtons Principa which made the laws of motion and the early laws of universal gravitation.
Examples:New advanced mathematics such as calculus (by newton) and physics.
Explanation:These gave modern day scientists a look onto the scientific revolution and helped the scientific community flourish.
a famous american an a wealthy man for telling the king about america
The southern colonies used more slave to help with cotton production.
The AFL was a formal federation of labor unions whereas the Knights of labor was much more of a secretive type.