The correct answer is B. Belgium
Step-by-step explanation:
The Second World War officially ended in 1945; however, after this, there was an indirect conflict between the United States and the Soviet Union each with allied nations, this conflict was known as the Cold War that between 1946 and 1947 and lasted until 1991. In this conflict, the United States aligned with other countries such as Canada, France, Italy, Norway, and Belgium through the North Atlantic Treaty Organization (Nato). On the other hand, the Soviet Union aligned with countries such as Romania, Hungary, Poland, Albania, and Czechoslovakia through the Warsaw Pact. According to this, form the options the only country that aligned with the United Staes after World War 2 was Belgium.