5. The connection between the “racial problems and cold war politics” (lines 30-31) was that A) the President needed the support of Southern Democrats to be re-elected.
B) the United States needed as many allies as possible during the Cold War.
C) government officials feared that African Americans would protest the Cold War.
D) some countries did not want to support a country that discriminated racially.
THE FIRST ONE

B. the United States needed as many allies as possible during the Cold War

Explanation:

During the cold war, both United States and Soviet Union were in a competition to spread the governmental system of their choosing. United States supported democracy with free market ideals while Soviet Union choose communism with centralized economy.

IN order to emerge victorious, both nations realized that they need as many allies as possible. Including from the countries who have different race majority (such as the countries in Asia and Africa)

During the cold war This caused a lot of problems within United States who had a lot of population with Racist tendencies. Many of them refuse to form alliance with other races for some unreasonable reasons.

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries