The Mouse That Roared

The name of this movie is The Mouse That Roared released in 1959-07-17 and it's main theme is The Duchy of Grand Fenwick decides that the only way to get out of their economic woes is to declare war on the United States, lose and accept foreign aid. They send an invasion force in chain mail, armed with bows and arrows to New York and they arrive during a nuclear drill that has cleared the streets..