Due to the fact that numerous nations indirectly participated in the Spanish Civil War, it is also referred to as a proxy war. The republicans were supported by Mexico and the Soviet Union, while the nationalists were supported by Germany and Italy.
The uprising quickly turned into a civil war. Some people refer to the Spanish Civil War as a prelude to World War II. The Spanish Civil War was supported by numerous foreign powers on different sides.
While the Soviet Union supported the Republican side, Germany, Italy, and a plethora of planes, tanks, and weapons provided assistance to Franco. In addition, to support the Republican cause, thousands of communists and other radicals from France, the USSR, America, and other countries established the International Brigades.
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