How did countries use propoganda to support the war effort?

(38 points, Brainliest)

As well as attempts to influence public opinion in neutral countries/areas, propaganda was used directly at enemies. From the beginning of the war, airplanes were used from all sides of the war to drop posters over fighting armies and civilians/people.  World War I was the very first war in which mass media and propaganda congregated and played an important and beneficial role in keeping the apprehensive people sheltered at home informed about what was happening on the battlefields.  It was also the first war in which the government methodically created propaganda as a stratagem to target the public and change their opinions.

Explanation:

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.