What is the snakelike pattern formed by a stream when it’s water erodes it’s outer banks an makes the stream valley wider

The correct answer for the fill in the blank is- C) Racism.

Racism is a system of belief ( doctrine), which indicates that the characteristics and capacities of human beings can be determined through their race ( that includes physical traits, culture and traditions, ethnicity).

Racism produces difference among races by indicating some superior and others as inferior race.

Therefore, C) is the right answer.