What was the bear flag revolt a reaction to?

Impending war between Mexico and the US.

The American settlers in California resented the Mexican government and were fearful of oppressive reforms with rumors of a war between Mexico and the US. To secure their place, troops incited a rebellion and California declared their independence. 

A rumor that Mexican authorities were going to remove American settlers from province of California.Im pretty sure tell if wrong

They mowt likely lived in caves or maybe rock houses,i know they are similar but its all i know