Oppressive aspects of colonial rule were that often the rulers did not care about the local people and would exploit both the workforce and the goods and commodities found in the country. In southeast asia the problems were with France and Britain who tried to control the government completely without giving locals any rights that they didn't care about.
The answer for the question is C
Manifest destiny is when America was expanding out and wanting to go from coast to coast. In the 19th when this was occuring this caused the a war in Mexico and the Removal of Native Americans
Literally search up facts about Ohio, it’s not that hard.