<em>D. Voting rights.</em>
Explanation:
The Civil Rights Act of 1965, also known as the Voting Rights Act of 1965, focused on banning literacy tests and equal voting rights among African Americans.
After the Civil War, slavery eventually became outlawed in the Southern states. However, this did not stop the prejudice that would occur to African Americans by white people.
Although African Americans were allowed to vote during this time, many Southerners did not want them to. Many believed if many black individuals were able to vote, they would vote for people in power that would better African American lives in the South.
In order for this to not happen, many Southern whites would do literacy tests at polls or even make it so you had to pay to vote. Many blacks during this time did not have a proper education and numerous of them could not read or write. Along with this, many were in poverty and could not afford voting fees.
After the Civil Rights Act of 1965, literacy tests of all kinds in the South were banned and now it was much easier for African Americans to vote at polls.
For this paragraph, if you choose to talk about education, you can use the 5 sentences to talk about how improvements can be made to public schools, especially those in socioeconomically disadvantaged areas. You can argue that additional funding to education is crucial because it would be investing in the future of America (aka, it would be paving the way for future American adults, who will eventually contribute to the country amidst heavy international competition).
World War Two was from September 1, 1939 to September 2, 1945. So the Nazis were not around.
In 1840, the slave population reached its peak of nearly 59,000 people; by 1860, there were 37,000 enslaved people, just 63 percent as many slaves as two decades earlier.