They sent soldiers to the front
Provide support to the developing nations of the world.
nations
The Treaty of London also called the First Treaty of London. It was signed in 1839 just after Belgium Independce was won. The agreements were that Belgium would not help any of the warring nations and the warring nations would not attack Belgium.
Support for the war effort in World War 2
Support for the war effort in World War 2
Peace is the normal, nonwarring condition of a nation, group of nations, or the world. It is also an agreement or treaty between warring or antagonistic nations, groups, etc., to end hostilities and abstain from further or antagonism.
League of Nations
They fought in it.
The league of Nations
During World War II, but the point remains true in many other war-time contexts, neutral countries participated in the affairs of formal belligerents in a number of ways. Diplomatically, 'neutrals' sometimes offered to serve as mediators or were asked to mediate between nations at war. On humanitarian grounds, neutral nations sometimes sent aid-teams or inspectors into warring nations. Further, trade and financial transactions were sometimes the basis for interaction between 'neutrals' and nations-at-war.
slaves
They will get shot in the head.