Which republican opposed the Dred Scott decision.?

Abraham Lincoln (more info below)

Explanation:

The Supreme Court ruled that even though Dred Scott is currently in a free state, he is still not entitled to his freedom because he is brought from a non-free state. The Republican Party (led by Abraham Lincoln) heard about this decision and decided to oppose it.

hope I helped!

a is correct

hope this let me know if it is right

answer: alexander hamilton

explanation: alexander hamilton was george washington's right hand man. he took an early role in the militia as the american revolutionary war began. in 1777, he became a senior aide to general washington in running the new continental army.