Eygtians could move goods up nile because .?

What is the main goal of the world trade organization a. to fight enforce tariffs b. to fight against terrorism c. to encourage trade d. to regulate international investments

Which of the following early north american cultures were known for building wigwams and longhouses? a. eastern cultures b. great plains cultures c. western cultures d. northern cultures

1u.s. history question! question: how did world war ii change the united states' position in world affairs? i need good explanation to support the answer otherwise i get docked points. real answers only ! you! : )