How does this excerpt demonstrate that this culture is a
patriarchy?

It compares the ways of people in the city to the
ways of people in the remote country.

It shows Okeke's belief that a father should choose
the person his child marries.

It convinces Nene that she should not marry
Nnaemeka because his father will not approve.

It causes Nnaemeka unhappiness for not marrying
the woman his father chose.