What three political questions or topics best explain the political transformation of the United States from 1970 to today?

What three political questions or topics best explain the political transformation of the United States from 1970 to today? Or, put otherwise, what were the three biggest sources of disagreement and debate that shaped politics in America from 1970 to today? Footnotes. Heres how to add footnotes in Word: https://support.office.com/en-us/article/insert-footnotes-and-endnotes-61f3fb1a-4717-414c-9a8f-015a5f3ff4cb The footnote format you should use for a reading is: Author(s), Title (Place of publication: publisher, year), page numbers. For example: Jane Doe, History of Baltimore (New York: Penguin Press, 2018), 24-25. For a viewing, the format is: Director, Title, year, point in time in the video. For example: Jane Doe, Historic Movie, 2015, 23:45. –1,600 to 1,800 words (excluding footnotes) –A conclusion paragraph in which you restate your main arguments https://ubonline.ubalt.edu/access/content/group/1202HIST420001/Feminism–Schulman.pdf https://ubonline.ubalt.edu/access/content/group/1202HIST420001/Counterculture%20and%20Historians-1.pdf https://ubonline.ubalt.edu/access/content/group/1202HIST420001/Reagan%20and%20the%20Rise%20of%20the%20New%20Right.ppt https://ubonline.ubalt.edu/access/content/group/1202HIST420001/The%201970s%20and%20the%20Long%20Shadow%20of%20the.ppt https://ubonline.ubalt.edu/access/content/group/1202HIST420001/Income%20Inequality.pptx https://ubonline.ubalt.edu/access/content/group/1202HIST420001/Mass%20Incarceration–Why%20It%20Matters.pdf https://ubonline.ubalt.edu/access/content/group/1202HIST420001/War.Time%20copy.pdf : https://www.dailymotion.com/video/x56gtyi Shes Beautiful When Shes Angry (1h33m) VIEWING: Stonewall Uprising VIEWING: The Seventies: The United States vs. Richard Nixon (Netflix, 42m), https://bit.ly/2RN4RWr https://bit.ly/37yBwW3 https://bit.ly/2NIeft9