Describe what was happening on the United States home front once the US joined the war.

Explanation:

The labor market changed radically. Peacetime conflicts concerning race and labor took on a special dimension because of the pressure for national unity. The Hollywood film industry was important for propaganda. Every aspect of life from politics to personal savings changed when put on a wartime footing. This was achieved by tens of millions of workers moving from low to high productivity jobs in industrial centers. Millions of students, retirees, housewives, and unemployed moved into the active labor force. The hours they had to work increased dramatically as the time for leisure activities declined sharply.

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

i thinl it is the 1st answer