Which of the following was an attempt to restrict a monopoly of the oil industry in the us?
dingley act of 1867
interstate commerce commission
sherman antitrust act
mckinley tariff of 1890

Sherman antitrust act

Explanation:

The Sherman Antitrust Act was a law passed in the United States that made trusts illegal, this meant that this little associations by different companies that united formed a gigantic corporation and that bascially created a monopoly in the oil industry had to sell their partitions and with that increase the competitiveness. This was a direct attack on Standar Oil and the American Tobbacco company.

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44

bismarck believed in using force

is the correct answer!