This should be under a Science not history, but the answer is
D. visual perception
I think c hope that helps and i am sure
The correct answer is: B. The increase in the labor unions' political power
Labor Unions were on the rise during the Progressive Era and this enabled Debs, a socialist, to come to power.
The answer is B. The founding fathers were all strongly influenced by enlightened thinkers and philosophers of the time when drafting the Declaration of Independence. One particular philosopher was John Locke, who wrote in his work that the natural rights of man include "life, liberty, and property" and these natural rights should not be given up the citizen in the face of the government. "Life, liberty, and the pursuit of happiness" is extremely similar Locke's notion of the Social Contract.