In "a quilt of a country", what is the one thing that quindlen suggests unifies america?

today the citizens of the united states have come together once more because of armed conflict and enemy attack. terrorism has led to devastation—and unity.
question 4 options:

a) working hard to make america better

b) facing common enemies

c) building a strong and peaceful economy

d) becoming more like one another

The correct answer is B) Facing common enemies.

B) Facing common enemies

Explanation:

Anna Quindlen's "A Quilt of a Country" also stressed how Americans wound up joined amid the 9/11 assaults on the United States as courageous endeavors have been done by rescuers to spare a great deal of lives in the rubbles of the Twin Towers.

food and resources were plentiful.

women were encouraged to marry later in life so they could work in factories.