Can someone help me please​

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

Question 2 of 102 pointshow did the protestant reformation impact the european enlightenment? oa. it convinced many europeans that only biblical laws should befollowed.ob. it required christians to sign a social contract with the protestantchurchoc. it created a new christian country with a republican form ofgovernmentd. it led many people to question the idea that a king's power camefrom god.

What contributions did muslims make to astronomey