Hi! :)
They were in peace negotiations with Japan and weren't expecting it.
For the Louisiana purchase question, it more than doubled the size of the united states. As for the second question I believe the answer would be "Thomas Jefferson was eager to explore the west to ensure the survival and prosperity of the United States"
In this order.. audience, counterclaim, purpose, claim, evidence
Technology is probably the answer that you need. Other answers such as internet, cell phones, and airplanes are suitable answers as well.
