Which of the following north american cities is not one of the 20 largest in the world?
a. new york city
b. mexico city
c. los angeles
d. chicago

The north american city that's not considered as one of the 20 largest city in the world would be:  D. chicago

New york city is the 2nd largest city in the world, Mexico city is the 3rd largest city in the world and Los Angeles is the 5th Largest city in the world.

With only 2.7 million population, Chicago is ranked 114th in the world's largest cities ranking.

    racial conflict and discrimination has existed ever since man learned to kill with rocks and bones. these conflicts arose from disputes between territory, power, wealth, religion, or simple difference. some of the most infamous racial disputes include slavery, the holocaust, and the civil rights movement.

    these listed disputes often resulted in casualties from all sides. riots, wars, imprisonment, and lynching are all commonly associated with racial conflict on severe levels.

      however, racism is an improving issue in recent decades. people are being more accepting and welcoming of diverse populations. though, the world isn't perfect and it will take much more time, if ever, until the world is rid of racism.

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.