What was a result of the changing economy of the North during the mid-1800s? A. Plantations became much more common in the North.
B. Gathering natural resources became much more important to the economy.
X C. Factories became much less common in the North.
D. Manufacturing became much more important to the economy.

It’s not A or C

it’s B

Explanation:

Factories became more common in the north

the andes or andean mountains (spanish: cordillera de los andes) are the longest continental mountain range in the world, forming a continuous highland along the western edge of south america. this range is about 7,000 km (4,300 mi) long, about 200 to 700 km (120 to 430 mi) wide (widest between 18° south and 20° south latitude), and of an average height of about 4,000 m (13,000 ft). the andes extend from north to south through seven south american countries: venezuela, colombia, ecuador, peru, bolivia, chile and argentina.

from wikipedia

hope this !