Answer:
The desire of kings and queen to gain land.
Explanation:
To be honest I'm just doing anything right now, cuz someone already got the answer correct and I don't wanted to copywrite their answer.
--Koda
Two of the most important factors in encouraging western settlement in the US were 1) extremely cheap or sometimes even free land in the west, and 2) events like the Gold Rush, which made settlers think they could get rich quickly.