How did us businesses make the change to wartime production? check all that apply.
1. car companies began making airplanes, bombs, and tanks.
2. banks required citizens to purchase war bonds.
3. clothing companies made uniforms, blankets, and boots.
4. companies hired millions of workers to produce war materials.
5. unions encouraged workers to avoid aiding the war effort.

1. Car companies began making airplanes, bombs, and tanks.

3. Clothing companies made uniforms, blankets, and boots.

4. Companies hired millions of workers to produce war materials.

Explanation:

US business made change to war time production in many different ways.

Many industries adjusted to making war aiding materials ranging from uniforms, blankets, and boots to airplanes, bombs, and tanks in order to aid the war.

Due to the increased need of war time materials, companies had to hire more workers to aid in the production process.

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