How did Kennedy ensure southern Democratic support while maintaining his appeal among African American and liberal voters during the presidential campaign of 1960?
a) He asked that Martin Luther King Jr. remain incarcerated after his arrest in Atlanta.
b) He selected his brother Robert as his running mate for vice president to appeal to conservatives.
c) He selected Texan Lyndon B. Johnson as his running mate for vice president to inspire southern loyalty.
d) Confident that the election would result in a landslide, he did nothing to court the southern Democrats.