How did the secret agreement with france and spain affect america settlers?

The secret agreement with France and Spain affected American settlers which became 

 known as the Louisiana Purchase.  

when two people answer a question, a choice will pop up at the top of each persons answer, and it will say mark as brainliest.

hope this : )

explanation:

answer; eliminate parking problems in cities, because a car took up only half as much space as a horse and buggy;