California in the 1820s and 1830s . was the most populated territory held by mexico. b. had a dramatic increase in its native american population. c. saw a harmonious relationship between the rancheros and the native americans. d. was controlled by wealthy rancheros. e. was already a mecca for entertainers.

Plz ? ? 20 points for this question ! hhjc6

Analyze the responses of president franklin roosevelt's administration to the problems of the great depression. how effective were these responses? how did they change the role of the federal government

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.