(04.07 MC) Which of the following statements about irredentism is true?

Devolutionary movements are a common cause of irredentist movements.
Devolution and dissolution are both common effects of irredentist movements.
Irredentism is most likely to have little effect on a state and its people.
Irredentism is most likely to occur in a state that has a culturally homogeneous population.
Irredentism commonly occurred during the 19th century, but rarely occurs today.