Answer:
It created a major migratory movement of people to the region.
It boosted the national economy.
It increased transportation.
Explanation:
The California Gold Rush had almost everyone in the US moving west to try to gain a fortune. It boosted the national economy because everyone who struck gold became rich almost over night. When you have a wealthy populace, the economy is significantly boosted. Transportation increased as people moved west. More people moving west meant they needed safer and more secure routes toward the west, which increased routes.