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.

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south