Can you think of another situation that was set off by a "spark"? Describe the situation, and tell how you think it might have been resolved if the "spark" had never occurred.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

they were all fought in the middle east during ww1

the installment plan of the 1920s, an arrangement that allowed people to buy what they wanted with a small down payment and pay off the rest in monthly installments, provided americans a way to own what they did not have the money to buy.