HELP ASAP PLS I WILL MARK IF YOUR RIGHT!!! What did the Second Continental Congress accomplish?

It successfully appealed for Parliament to help in the war against Spain.
It refused to close the harbor in Boston.
It convinced King George to reduce taxes on the colonies.
It sent Benjamin Franklin to France to negotiate a treaty.

Which points did chief justice roger b. taney use to justify the supreme court’s ruling in the dred scott case? the property clause of the constitution, the due process clause of the fifth amendment, and the fact that african americans were not citizens. the practice of judicial review established in marbury v. madison, the property clause of the constitution, and the due process clause of the fifth amendment. the necessary and proper clause of the constitution, the due process clause of the fifth amendment, and the fact that african americans were not citizens. the commerce clause of the constitution, the elastic clause of the sixth amendment, and the practice of judicial review established in gibbons v. ogden.