It was : B-refining oil Back then, standard oil managed to gain monopoly within the oil industry by buying all of the existing rival refineries and united it under the standard oil brand. This allow them to dominate the whole oil product that distributed in united states
Gunpowder was invented somewhere around 900 in China.
Well, that's basically it... :P
The correct answer is D. It called for immediate military intervention in any Latin American country experiencing unrest or political instability.
The Roosevelt Corollary was an amendment to the Monroe Doctrine by Theodore Roosevelt, the President of the United States of America. The Monroe Doctrine recognized Latin America and the Caribbean as territory to expand trade interests of the United States in the region. Further, its original goal was to maintain European hegemony outside the hemisphere.
China was influenced by foreigners politically, socially, and economically during the Ming Dynasty. Missionaries come into China bringing both Christianity and technology. China struggled foreigners influence by kicking out the Mongols. Also, China began to detach itself and limited the foreigners’ trading posts.
