Explain the meaning of "business cycle." Why is the image of a "cycle" a good one for understanding the meaning of the term?

How was the storming of the bastille important to the french revolutiona) it forced the king to accept the people's demands for justice. b) it marked the official beginning of the french revolution. c) it compelled the government to treat people with respect. d) it exposed the french soldier's lazy attitudes and weak skills. e) it symbolized the constitutional monarchy.