What efforts on the homefront were promoted to support the war?

Rationing

The people were asked to plant victory gardens to show their support and acknowledge the efforts of the soldiers.

Explanation:

Several efforts were made at the home front to support the war. The people also supported rationing and prices that were managed and controlled by the government.

Many also made volunteer efforts to support the war. People also bought war bonds or savings stamps and the money was used to fund the war efforts of the government. Many civilians also donated to charity so that they could lend their support to the war efforts.