How does Hemingway create tension in "Hills Like White Elephants"?

One of the main ways
that Hemingway creates tension in this unforgettable and, in many ways, uncompromising story is
through his use of dialogue. It is clear that what is going on beneath the apparent surface of
their dialogue is an immense struggle where the male is insisting that Jig, his lover, has an
abortion, and she does not want to have this abortion, but eventually realises that she must
yield to his inexorable will. Note how the male, in spite of his veneer of reasonableness,
insists on returning to this topic of conversation even when it is clear that she does not want
to...