By the early 1850s, all of the following had resulted from migration to California EXCEPT a. increased international immigration to the U. S.
b. growing debate over the extension of slavery in the territories.
c. expanded interest in trade and relations with Asia.
d. substantial growth in manufacturing in the West.

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.