What emphasis did presidential hopeful James Polk put on his 1845 campaign?

What happened right after the battle of concord ?

In 1819, what did the united states obtain from spain for $5 million?

Which concept is plato expressing in the excerpt below? when men have both done and suffered tyranny, and have had experience of both . . they think that they had better agree among themselves to have neither. . —plato, the republic: book ii