For 10 points, name this Massachusetts Senator who signed that treaty with Baron Ashburton.
In a debate about tariffs with Robert Hayne, he referenced "liberty and union, now and forever, one and inseparable." In the Marshall court, he won the case Dartmouth v. Woodward and lost McCullough v. Maryland. Many abolitionists were angered by the "Seventh of March" speech this orator gave. This man served as Secretary of State under Millard Fillmore and John Tyler. After the Caroline affair, he signed a treaty delineating the Maine-New Brunswick border. For 10 points, name this Massachusetts Senator who signed that treaty with Baron Ashburton.
In a debate about tariffs with Robert Hayne, he referenced "liberty and union, now and forever, one and inseparable."
Daniel {Webster}