What initiative did Americans take to benefit the war effort during World War II?

Americans created bomb shelters in case of a land attack by the Japanese.
Americans trusted those of Japanese origin to help in the war effort.
Americans of different ethnicities put aside their differences.
Americans helped by gathering essential items for war production.

Americans helped by gathering essential items for war production.

Explanation:

make sure to wash your hands thouroughly.

Explanation:

Americans created bomb shelters in case of a land attack

explanation:

hitler's  "rise" can be considered to have ended in march 1933, after the reichstag adopted the enabling act of 1933 in that month. president paul von hindenburg had already appointedhitler  as chancellor on 30 january 1933 after a series of parliamentary elections and associated backroom intrigues.