President Jefferson believed that of it wasn't already in the Constitution then that power belonged to the states instead of the Federal Government. The ability to make the purchase wasn't in the Constitution but the deal needed to be completed quickly.Jun 14, 2016
The oases offer drink, wildlife, shelter, and other commodities the harsh deserts don’t have, so there are most likely more people living around oases in these regions.
Sorry, but may you add the whole question :(