When communism spread into China, how did that increase cold war tensions?

The year 1949 proved pivotal in changing the dynamics of post-World War II international relations. In October 1949, the People’s Republic of China(PRC) replaced the Republic of China (ROC) after the Chinese Communists won a nationwide victory in the civil war and drove the Nationalist government to Taiwan. The collapse of the Nationalist cause shocked the American public, which had idealized “free China” as a democratic ally and valiant protégé. Now, a Communist China, comprising a quarter of the world’s population, had inevitably extended the Cold War to East Asia. The PRC’s foreign policy during the Cold War went through several distinctive stages.

d: social contract theory

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.