You didn't include the map, so I can't be entirely sure, but if it's the same test that I have, it's B.
<span>Land that was taken away from Native Americans
</span>
Industrialization is the main cause of urbanization in America, and one of reasons for America no longer being a farm dependent economy. Industrialization is also a reason for many technological advances and introduced the American economy of being able to own businesses and factories for profit.
What the passage supposed to be, we can’t see it
