Name this man who in 1842 negotiated a treaty with Baron Ashburton.
This politician supported the Fugitive Slave Law with the Seventh of March speech, and he used the words "one and inseparable" to conclude the second reply to Senator Robert Hayne. First admitted to Congress in 1812 thanks to an antiwar stance, he was the only member of William Henry Harrison's cabinet to remain in office when Tyler took over, serving as Secretary of State. As a lawyer, he successfully argued the Gibbons, McCulloch, and Dartmouth cases before the Supreme Court. Name this man who in 1842 negotiated a treaty with Baron Ashburton.
This politician supported the Fugitive Slave Law with the Seventh of March speech, and he used the words "one and inseparable" to conclude the second reply to Senator Robert Hayne.
Daniel {Webster}