So, the Marshall Plan was introduced by George Marshall, with the intent of giving aid to Europe following the devastation of the war. Some of the aid must’ve been spent on importing goods from the US, and recipients must’ve shared their economic information with the US, therefore the idea being to improve and stabilise the US economy by improving Europe’s.
Furthermore, the Marshall Plan also was designed to reverse the trend of Communist parties being elected to office by despairing populations, which’d then fall under the influence of the USSR.