In 1978, President Carter convinced the U.S. Senate to ratify a treaty that would turn over the B) Panama Canal to Panama by the end of 1999. This treaty was considered part of the Torrijos-Carter Treaties.
Jim Fisk or Jay Gould. They both were involved
I think this started from 1642-1646 (let me know if i'm wrong)
It was a secret diplomatic communication that Germany and Mexico used to form an alliance.