The correct answer is number 3) Great Plains.
The interior area that supports the fewest trees is the Great Plains.
The Great Plains in the United States in the large portion of flat land that starts in the west of the Mississippi River prairies and reaches the North until it gets to Alberta, Manitoba, and Saskatchewan, Canada. The Plains crosses parts of states such as Oklahoma, Wyoming, Kansas, Texas, New Mexico, Montana, Colorado, and practically all of South and North Dakota, and Nebraska. It has barely any trees to the degree that the Dust Bowl was a tragedy that occurred in this part of the country. Hot weather, dryness of the land, and dust winds chocked animals, affected crops, and farmers had to migrate to the Western Pacific.
