What are two very important factors influencing the formation of deaf culture?

Deaf culture is the set of social beliefs, behaviors, art, literary traditions, history, values, and shared institutions of communities that are influenced by deafness and which use sign languages as the main means of communication.

Factors that influences deaf culture:

Deaf Culture means the visually based culture of people who are deaf and who form linguistic minority that uses ASL, as their primary language.

it will increase due to the time span

i would say it is