The u. s. became a superpower around the turn of the twentieth century. this was because the u. s. was able to create a stepping stone to the commerce of

answer: your option is d

explanation:

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.