The square deal, so the answer would be A.
Martin Luther was excommunicated becuase he was going against the Roman Catholic church. He was saying that you didn't need to pay indulgences to the Roman Catholic church just to get into heaven. All you had to do was believe that Jesus christ died on the cross to save our sins. So when he went against the Roman Catholic church, the pope was mad becuase if people started believing him, they would lose money.
I hope this helped you out!
One part of the constitution that was not the best was how it gave people too much freedom, since people didn't want to eventually form a dictatorship over the colonists.
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.