Practices by a certain group of people

Practices by a certain group of people is known as : A. Customs

For example, it is a custom in Japan to bow down when you introduced yourself to someone at the first time. 

Custom tend to be only applied to a specific group of people. If a member of that group of people failed to follow the custom, he/she tend to received social punishment such as social exclusion

in general, fiction refers to plot, settings, and characters created from the imagination, while nonfiction refers to factual stories focused on actual events and people. however, the difference between these two genres is sometimes blurred, as the two often intersect.

explanation:

in 1636, roger williams settled at the tip of narragansett bay after being banished from the massachusetts bay colony for his religious views, on land granted to him by the narragansett tribe. he called the site "providence plantation" and declared it a place of religious freedom.

explanation: