Why did world war i last for so long?

In which sentence is the italicized word used correctly? a) the sloth is a benefactor that primarily feeds on vegetation, insects, and small birds and reptiles. b) the flood victims were eternally grateful to their benefactors who provided them with food, shelter, and clothing. c) the spectators in the stadium all cheered when the benefactor announced the game would go into overtime. d) the benefactors visiting the laboratory were impressed by the complex equipment the scientists used.

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period? if there should be a waiting period, explain why.

Is this statement true or false? before 1850, workers in american mines, mills, and factories were poorly paid, but their safety on the job was always protected by strict laws.