$0\mathrm{.}5$ points

Find the correct statement:

A$.$ The Cold War expanded to East Asia following the Communists' surprising victory in China and Japan in $1949.$ The new Communist leadership of China and Japan broke relations with the United States and proclaimed its alliance with North Korea and India.

B$.$ The Cold War expanded to East Asia following the populist's surprising victory in China and Taiwan in $1949.$ The new populist leadership of China and Taiwan broke relations with the Soviet Union and proclaimed its alliance with the United States.

C$.$ The Cold War expanded to East Asia following the nationalists' surprising victory in China in $1949.$ The new nationalist leadership of China, broke relations with the United States and proclaimed its alliance with the European Union.

D$.$ The Cold War expanded to East Asia following the Communists' surprising victory in China in $1949.$ The new Communist leadership of China, under Mao Zedong, broke relations with the United States and proclaimed its alliance with the Soviet Union.