What role did family and friends play in Luis's decision to join a gang?

Major role.

Explanation:

Family and friends play a great role in Luis's decision to join a gang because his family did not focus on his actions and activities. If his family and friends focus on his character and his education he will not join the gang. If he get respect from his family and society he will be a different man but discrimination and no respect from the society force him to join the gang.

d, i believe because of it's activity level

depends where it is? i got mine on my arm and from 1-10 it was a 3 different spots react differently