<span>b. the Germans’ use of unrestricted submarine warfare-because the Germans sank many of America's non-military ships using submarines</span>
Answer:
He helped created modern astronomy.
Explanation:
In early 1610, he made the first in a remarkable series of discoveries. While the scientific doctrine of the day held that space was perfect, unchanging environments created by God, Galileo's telescope helped change that view. He used the telescope to revolutionise astronomy which had relied for millennia on observations and measurements made with the naked eye.
The rulers of Italy before the Romans were the "Etruscans", although it should be noted that the Etruscan dominance of the region was not even close to the Romans' in terms of power and political nature.
Petrarch was pulled between two worlds, the ideal world of antiquity and his desire to improve the current world. He believed he could learn to make the world a better place by studying classical literature. He, along with other humanists, admired the formal beauty of classical writing. He attempted to share the teachings of classical texts by studying them, and then, imitating them in Latin writings of his own.
