What gives one person power over another? (Using A street car named desired book)

Fine fellow, that lebrun," said arobin when robert had gone. "i never heard you speak of him.""i knew him last summer at grand isle," she replied.  what becomes apparent during this conversation? robert and arobin are both aware they are rivals for edna’s affections. arobin is unaware of robert’s role in edna’s life, but robert is aware of arobin’s role. robert is completely unaware of arobin’s romantic intentions and love for edna. robert has much more confidence in himself than arobin does.

5. how might the statement, “the almighty has his own purposes” (line 39) relate to lincoln’s purpose in giving this speech?

Which values of the ancient greeks are most emphasized in the excerpt?