I believe the answer is: <span>develop negative views of one another and behave in a hostile manner
During athletic competition, universities students would most likely involve in tribalism which develop a desire for their own team to dominate the competition. In this type of situation, hostile manner and negative attitude toward other teams are extremely normal.</span>
Opium wars is the name given to the 19th century conflict between Britain and China, which centered around a dispute between a specific and illegal good being imported into China by English merchants.
