Give a brief summary of the fourth era mentioned as well as Lineberry's three eras of civil rights growth. What, in your view, do the Trump Presidency and the first year of the Biden Administration teach us about the present status of civil rights in the United States as well as about the overall development of civil rights in the U.S. over time? Are our experiences during the COVID-19 crisis and the anti-racism demonstrations that followed George Floyd's death particularly instructive in terms of civil rights?

Give a brief summary of the fourth era mentioned as well as Lineberry's three eras of civil rights growth. What, in your view, do the Trump Presidency and the first year of the Biden Administration teach us about the present status of civil rights in the United States as well as about the overall development of civil rights in the U.S. over time? Are our experiences during the COVID-19 crisis and the anti-racism demonstrations that followed George Floyd's death particularly instructive in terms of civil rights?