What was one effect on the American middle class because of the change in manufacturing jobs between 1975 and 2015?

The middle class had fewer well-paying jobs, and the wage gap between the wealthy and middle class increased. Even though some manufacturing jobs returned to the United States in the 2010s, they were not the same well-paying jobs in the previous decades. The global workforce and advances in technology allowed companies to offer lower pay and fewer benefits to manufacturing workers. So, even when the manufacturing jobs returned, the wage gap persisted.

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on

the punishment for breaking the law would depend on the conditions or the seriousness of the law being broken, if he or she breaks the law while doing some great discovery or invention then it would classify as a scientific fraud. there are other words to describe the crime but scientific fraud would be the harshest one.