He spoke about liberty, peace and democratic freedoms, which was addressed towards both Americans and people abroad. He also spoke about the desire for peace, including calling for Soviet cooperation to end the threat of war and nuclear destruction.
The Dixiecrats were southern Democrats who left the party in 1948 because of their objection to extending civil rights to African-Americans.
Tariff is a tax on goods leaving or entering the country
The Quartering Act is a name that was given to two or more Acts of British Parliament requiring local governments of the American colonies to provide the British soldiers with housing and food. Each of the Quartering Acts was an amendment to the Mutiny Act and required annual renewal by Parliament.
Valley of mexico, or as in the andes and all that.