Answer:
Freedom from slavery, equal rights and citizenship.
Explanation:
Freedom from slavery, equal rights and citizenship are the changes in the lives of African Americans during the 19th century. After the civil war and completion of reconstruction phase, the African Americans were given freedom from slavery which they gain from their ancestors. They are considered citizens of United States of America and given equal rights just like white Americans in the country. We can conclude that the lives of African Americans greatly change during the 19th century.
C would be correct because of the Marshal plan, Truman doctrine, Eisenhower doctrine etc
All wars that we as humans accomplish something. Whether it is dominance in religion, for territory, or even for money. Like in the holocaust we learned that being racist to one race is wrong.