There are many countries that participate.
It's a lot to list so if you go to Maps of World 2016 Summer Olympics Participating Countries, you can see all recent countries that participated. This way you can also give credit to that site.
Answer: c. the racial tension between Mexican Americans and mainstream society.
The zoot suit riots of 1943 were a series of conflicts between European white Americans (particularly those in the military service) and predominantly Mexican youth. The trigger for these was the youth’s preference for “zoot suits.” This type of suits required a lot of fabric to be made, which was seen by the white Americans as unpatriotic, because of the rationing of fabric that was established during the war.
While this specific reason was the main trigger, the riots also showed the underlying racial tensions that were found in American societies, particularly in large cities. The riots also seemed to have been the inspiration for several similar events that year in Philadelphia, Oakland, Chicago, San Diego, Evansville and New York City.
One of the actions that were done to promote assimilation among American Indians, both in the US and in Canada, but also for example in Denmark, is compulsory sending them to boarding schools.
In those schools, the children were forbidden to speak their indigenous language, and many came home (if they were allowed to come home) without being able to communicate with their parents.
"<span>D. Runners used an intricate road system to carry messages from one part of the empire to another" would be the only true statement, since communication was essential for an empire such as this. </span>
They wanted to unite them with their own people
