Bolivia was the only country to declare war in 1943 to Germany.
Shortly after war was declared, the President of Bolivia, Enrique Peñaranda, was overthrown in a coup.
The new ruler, Gualberto Villarroel, had fascist and anti-Semitic leanings, but foreign pressure compelled him to remain at war and to suppress his more extreme pro-Nazi supporters.
Bolivian mines supplied needed tin to the Allies, but with no coastline, the landlocked country did not send troops or warplanes overseas.