I give Brainliest What were the effects of the discovery of gold in California?
(Choose 3)

It created a major migratory movement of people to the region.

It prevented towns from developing a variety of goods and services since everyone was focused on finding gold.

It led to the Mexican Cession when Polk demanded compensation from Mexico.

It ended westward expansion as land became more expensive.

It increased transportation routes across the country.

It boosted the national economy as demand for goods and machinery increased to support the Gold Rush.