The correct answer is "sit-ins." The action that is considered as an act of civil disobedience is sit in. Sit in is a considered a form of direct action where it involves a single or multiple people occupying an area for protest sometimes promoting social or economic change. It also includes political change.
An unlimited ammount of terms. it wasnt specified.
B - More people migrated from rural farmlands to cities in order to find more work
D. They hoped the rise in prices would increase their income.