Hundreds of thousands of new people arrived in the region within a few years.

Racist attacks and laws sought to keep out Latin and Chinese immigrants.

The effect on the gold rush is caused by james marshall. he was suppose to work with john smith to make a windmill.once james marshall found gold, he went to see if it was real. then when everyone beleived that gold is discovered, they didnt finish john smith's mill. instead they went looking for gol. then everyone heard and came looking for the gold. that is when people started to get gold fever.

Actually james marshall thought he foud gold pebbles once he found out it was gold he told john smith and john smith told james marshall not to tell anyone there was gold but james marshall told the people any way the news slowly started to spread and many people quit their jobs leave their homes and came to california in search for gold