Thomas Jefferson bought Louisiana from France.
Answer:
1) The great map covered the areas in which there was land but it wasn't divided yet into states and such
2) This was important because if you are traveling, you must have a map or something to navigate with.
Explanation:
A) Did not allow them to settle west of the Appalachian mountains.
This is was signed in to prevent wars and to stop attacks on colonists.
He hoped to deliver a knockout blow to the north