culture is made complicated up of knowledge, belief, arts, laws, moralities, customs, abilities and habits a person own as a member of society.
understanding English culture and knowledge is helpful for the conmmunication.
on the other hand, lack of knowing the background will surely make a barrier on communication. culture shock and misunderstanding will also be made.
get a clearly idea about the differences between two kind of cultures will play a positive role on getting a reasonable view about the culture and avoid the embarrasse during the daily life.