Read the paragraph.

Following the Second World War (1939–1945), the United States worked to help rebuild the nations of Europe. The Marshall Plan offered more than $12 billion in aid. By 1952, industrial production and living standards in much of Europe had again risen to prewar standards.

Which most accurately explains why helping to rebuild post-war Europe was in the interest of the United States?

A:The United States felt responsible for starting the Second World War.
B:A strong economy in Europe would provide stability to thwart the growth of Communism.
C:Nations who were dependent on this post-war aid eventually became part of the United States.
D:Humanitarian causes have always been important to United States citizens.

Is it B.?