What is the histroical context behind manifest destiny

In a planned economy, which of the following does the job of market forces in order to determine the outcomes?

During world war if an artist published an editorial cartoon criticizing the american entry into the war that artists was guilty of

Which of the following encouraged westward expansion? a.the government decreased the price of federal land. b.each of these represents actions taken to encourage westward expansion. c.the government decreased the price of federal land d.the second national bank lowered the cost of borrowing money (reduced interest rates)