What are the Four Freedoms, and how did FDR use them as a call to arms?

The declaration of independence gave the americans concrete reasons for the revolution

What initiatives were taken by americans to benefit the war effort? 1. americans planted home gardens to ration food for the troops. 2.american charities were established to provide aid to factory workers. 3.american companies joined together to make products more cheaply. 4.americans created clubs for promoting weapons to be used in the war.

What was gained through the gadsden purchase