Why was the CA Gold Rush an important event in the lead up to the United States Civil War?

because it became as its economic growth and facilitating its transition to statehood

Explanation:

The Gold Rush significantly influenced the history of California and the United States. It created a lasting impact by propelling significant industrial and agricultural development and helped shape the course of California's development

The gold rush propelled the expansion and settlement of the western United States on a massive scale. This action led to Mexico to declare war on the United States, starting the Mexican-American War. forty-niners: people, especially prospectors, who went to California in 1849 during the gold rush.

Explanation:

all of the above.

had this on a quiz and got it right.