USA HISTORY

Detailed explanation-1: -They included Sweden, Switzerland, Spain, Portugal, Ireland, Turkey, Yemen, Saudi Arabia and Afghanistan as well as the microstates of Andorra, Monaco, Liechtenstein, San Marino and Vatican City.

Detailed explanation-2: -A handful of states, known as neutral powers, chose not to ally with either side during the war. These nations took a neutral position in an attempt to avoid being attacked, invaded, and/or occupied.

Detailed explanation-3: -The United States remained neutral during the first two years of World War II. As the Axis forces conquered countries throughout Europe and Asia, Americans debated whether to aid the Allied powers economically and militarily. The United States joined the war in December 1941 after the Japanese attack on Pearl Harbor.

Detailed explanation-4: -Sweden and Switzerland are independently of each other famed for their armed neutralities, which they maintained throughout both World War I and World War II. The Swiss and the Swedes each have a long history of neutrality: they have not been in a state of war internationally since 1815 and 1814, respectively.