What happened to us defense spending from 1946 to 1948? it dropped by approximately $40,000 million. it dropped by approximately $30,000 million. it stayed about the same. it went up by about $30,000 million.

The correct answer is the following: option b. The US defense spending from 1946 to 1948 dropped by approximately $30.000 million. This drop on the defense spending came as a result of the end of World War II. The United States were no longer involved in an armed conflict, therefore the spending on the defense area diminished. Later on, when the Cold War started to heat up, the defense budget of the country grew back.