This is a Malay cuisine. The word USA refers to the Malay word for prawns, squid & chicken. It is not related to America in any way.
U - Udang (Prawns in English)
S - Sotong (Squid in English)
A - Ayam (Chicken in English)
The ingredients are stir fried and accompanied with a plate of fried rice and a fried egg, it is a little spicy with the sauce that we made for the dish.