The correct answer is letter A.
Explanation: In the nineteenth and in the twentieth century most of people classified as middles class were living in tenement houses with bad conditions, but it was where they could live.
As people became more interdependent, they needed to live closer together. ((apex))
The main impact of the invention of the cotton gin in 1793 was on the ability to process short-staple cotton.
The environmental factor that affected food production was that they couldn't grow any crop and William’s community adjust as a windmill was built.
<h3>How to illustrate the environmental issues?</h3>
There are a number of specific environmental issues can impede human health and wellness. They include chemical pollution, air pollution, climate change, lack of access to health care, etc.
The environment directly affects health status and plays a major role in quality of life, years of healthy life lived, and health disparities. It should be noted that poor air quality is linked to premature death, cancer, and long-term damage to respiratory and cardiovascular systems.
Lastly, the United States can adjust by making changes in the time and location of activities, by using different species, by developing or using new technologies, etc. A common issue now is climate change. It is important to plan ahead and combat such environmental issues.
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Washington Gladden's ideas would most closely be tied to the period in U.S. history that begins just after the Civil War and leads into Reconstruction.