What did alexis de tocqueville observe on his visit to the united states that reflected changes that were happening in the country during jackson’s administration

The correct answer is b) a growing spirit of democracy and equality between classes”

In “Democracy in America” by Alexis de Tocqueville in 1831, he said in the first phrases:

“Amongst the novel objects that attracted my attention during my stay in the United States, nothing struck me more forcibly than the general equality of conditions. (…) The more I advanced in the study of American society, the more I perceived that the equality of conditions is the fundamental fact from which all others seem to be derived, and the central point at which all my observations constantly terminated.”

c ig

explanation:

where is the options

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.