A former colony was divided up into several states. The former colonists superimposed the boundaries between the new states. Which of the following are potential consequences of the superimposed boundaries?

i An ethnic group will be divided between two or more states.
ii Neighboring states will work together peacefully in the region.
iii The states will quickly form bonds and unify under their new identities.
iv Multiple ethnic groups with a history of conflict will battle for control of the state.
I and II
I and IV
II and III
II and IV
III and IV