Can you find proof/ prove by (photos, letters, minutes, notes etc.)
That the two men listed below interacted / met one another

William Henry Trescot was a Charleston attorney who rose to serve as
Assistant Secretary of State under Buchanan during the six months
prior to secession, and was an important intermediary between the
South Carolinians and President Buchanan during the early part of the
Fort Sumter crisis.

John C. Breckinridge
(1821 - 1875)
Vice President under James Buchanan
March 4, 1857 until March 3, 1861