The answer is B,
Japan struck Pearl Harbor to limit the U.S navy from taking action against them increasing their sphere of influence around Southeast Asia
The reason why people in early farming communities able to do various kinds of work is because there was a surplus of food--meaning that while certain people were responsible for farming and growing food to eat, other people could apply their attention elsewhere, to other skills that benefitted the community. <span />
The Truth Commission if thats what ur asking...
