When did the us president and vice president begin being elected together?

Originally, electors cast two ballots for president and whoever took second place in the tabulation became vice president. Starting in 1804, the president and vice president were elected on separate ballots as specified in the Twelfth Amendment to the United States Constitution which was adopted in that year.

Americans agreed to the settlement terms established by the mexican government.

Starvation, debt, financial downfall.