What was the main purpose of the U. S. government selling war bonds during World War I?

War bonds were initially known as Defense Bonds and were first issued as Liberty Bonds in 1917 to finance the United States government participation in World War I. Through the sale of these bonds, the government raised $21.5 billion dollars for its war efforts

Explanation:

mark me as brainliest thank you

my cultural heritage consists of irish, german, native american, and others.

the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation.