Who were the influential figures in the renaissance and scientific revolution, and how did they shape a new worldview?

leonardo da vinci, the medici family, gallileo, isaac newton

Explanation:

the latter went against the against the preconceived notions in the centeries prior and kinda proved that everyhting can be solved and understoos scientifically. da vinci did the same thing, but was a lot more about the human anatomy and seminal works of art. the medici were, to my knowledge, merchants and bankers, who had tremendous power

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.