In 1889, the Standard Oil Refinery became a source of prosperity for the state of Cleveland, however the pollution they belched into the atmosphere damaged the air around the area. It also damaged the water where the refinery discharged oil into the Cuyahoga River that major fires broke out on the water in 1936, 1952 and 1969. It damaged a lot of property and changed the way industrial plants operated.
the answer is D) the symbols of the two main political parties in the United States.
The answer is Supply and Demand, whatever people want to eat more of is what restaurants and other stores will make and sell. So, I think the correct answer would be "B".
Egypt was sometimes known as the “Two Banks”. <3