What best summarizes why part of the nation was upset over the dred scott decision?

The North was upset because the decision declared the Missouri Compromise to be unconstitutional.

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.