The answer is Martin Luther.
Apart from commissioning simple tunes for the Church. He also founded the Lutheran Church and also
translated the Bible into German making it possible for Germans to read and
understand the Bible. He spoke out
against many of the flaws of the Roman Catholic Church especially indulgences.
The Feminine Mystique was a book written during the women's liberation movement by Betty Friedan. In this book, Friedan discusses the dissatisfaction and frustration of American women around the country who were college educated but were still only seen as a housewife. Friedan felt that the pressure to conform to societal norms was crushing the will/spirit of women in the US. In this book, she encourages women to seek out fulfillment and worry about their own happiness instead of trying to fit into societal norms as to how a woman should behave.
US owning 50% of the worlds wealth did not affect WWll at all
"middle class" and "working class" would be the best options, since the Industrial Revolution created thousands of new jobs, which put thousands more people to work.