In the earliest civilizations, historians believe that trade was connected to the development of social complexity. this theory is supported by the fact that trade coincided most with which of the following? a. the development of written language b. the development of religious beliefs c. the development of social classes d. the development of agriculture

C: DEVELOPMENT OF SOCIAL CLASSES

Explanation:

People had to be divided to organize the jobs and ranks.

    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.