Pl why were goods rationed in the united states during world war ii?

us government officials wanted to collect these goods to use for themselves.
limits were needed on goods that were in short supply.
us companies wanted to make sure the demand for goods was high.
the government needed to store these goods to protect them from enemies.

List factors that contributed to public confidence in the postwar united states

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.

Explain the goal of redistricting. how does redistricting support the democratic process?