We can deduce here that the issue that is a major source of friction between Heathcliff and Catherine in Wuthering Heights is: Social Divide.
<h3>What is source?</h3>
Source is known to be the place or situation from which something originate from. Whenever we talk about source of something, we are actually referring to something that produces another thing.
Thus, we see here that major originator of friction as seen above is social divide.
I watched TV last week. We ate meat with my best friend yesterday. The bus stopped a few minutes ago. I met my wife 9 years ago. She left the school in 2010. He bought a new house last month. Did she clean her home?
According to Willy, Ben was an explorer and adventurer who found diamonds in Africa and timberland in Alaska. Ben never appears in the reality of the play, but is revealed through Willy's thoughts. Ben is everything Willy wanted to be, and everything he wants his sons to be.