The American economy at the start of the war (World War II) was in shambles due the Great Depression that began in 1929, although after the War the economy was thriving.
The Civil Rights Movement through civil disobedience.
The caning of Charles Sumner highlighted sectional tensions between the North and the South.
The correct answer is B.
The Neolithic Revolution was characterized by the radical transformation of the human way of life, as societies stopped to be nomadic and started to be sedentary, and there was a transition from a hunter-gathered economy to an economy based on agriculture and raising livestock. Birth rates rose spectacularly and this brought an important population growth.
