With the discovery of gold, the population of California grew as more and more people moved in order to seek out their fortunes. Why does this relate to the issue of slavery as more territories enter the Union?

Admission of states as free bought a unbalance of powers in the south and north states.

Explanation:

In 1848 Gold Rush began in California which led the people to move in search of gold. After winning the Mexican-American War, America gained one-third of its territory of Mexico, which consists of Arizona, Utah, California, Nevada, and New Mexico. A dispute arose as to whether slavery permitted in the new territories. The free states might have conflicted because they did not believe in slavery and considered it as Illegal. The slave states encouraged it and considered legal.

the correct answer is history and tradition.

representative government