Which researcher found american capitalism and the inequality of women to be at odds with the country's professed moral principles?

The correct answer is Harriet Martineau.

Harriet Martineau was born in 1802 and died in 1876. She was known as the first woman sociologist.As a consequence, she dedicated her work to several social issues.

She pointed out that the mechanisms of capitalism were imcompatible to the moral principles of those days in the U.S. She believed it was wrong that workers became poorer and poorer and businessman took advantage of their labor and became richer and richer.

Furthermore, she claimed that the lack of women´s right was contrary to the belief that we have all been created equal.