I believe the correct answer is A. Bill of Rights
The House of Representatives is to elect the u.s. president in case there is no majority in the Electoral College in Senate's role is that the constitution authorizes the president to make treaties, but the president must submit them to the senate for it's approval by a two-thirds vote
Answer:
The vast region of Lousiana had been under Spanish control for almost 20 years, it technically was the US western border and any expansionist idea passed through Lousiana, which eventually could have led to war.
The purchase, at a time when France and Spain were at war, ensured that Spain and France couldn't use the territory as leverage against the US or to use it as a base for any possible invasion. It also provided the US with full control of the Mississippi and gave the US access to the Gulf of Mexico.
Explanation: