Why did the Plateau Indians construct pit houses? to keep warm during the winter months
to protect themselves from other groups
to keep the community close together
to store supplies and harvested crops
answer is A

this article will :

in which two ways were the northeast woodland indians and the southeast indians similar? both collaborated to form the iroquois confederacy. both cultivated the crops of corn, beans, and squash. both lived in rich environments of swamps and rivers. both lived in tree-bark dwellings called wigwams. both expected men to hunt, while women farmed.

i believe the correct answer is b.

a. favoring native born americans over immigrants.