What and where is Pearl Harbor?

Business and industries in the 1920's most closely followed the buying demands of a) the government b)farmers c)consumers d)manufactures

What was one cause of the decembrist revolt? a. the desire for a constitutional monarchy b. the need for workers’ reforms c. the creation of a new railway line d. the outcome of the crimean war

Was the civil war inevitable? could anything have been done through compromise to stop it, or did it have to happen?