page_title: Nazi–Soviet economic relations (1934–41)
section_title: Hitler breaks the Pact
hierarchical_section_title: Nazi–Soviet economic relations (1934–41) / Hitler breaks the Pact
context_page_description: After the Nazis rose to power in Germany in 1933, relations between Germany and the Soviet Union began to deteriorate rapidly, and trade between the two countries decreased. Following several years of high tension and rivalry, Nazi Germany and the Soviet Union began to improve relations in 1939. In August of that year, the countries expanded their economic relationship by entering into a commercial agreement whereby the Soviet Union sent critical raw materials to Germany in exchange for weapons, military technology and civilian machinery. That deal accompanied the Molotov–Ribbentrop Pact, which contained secret protocols dividing central Europe between them, after which both Germany and the Soviet Union invaded countries listed within their "spheres of influence".
  The countries later further expanded their economic relationship with a larger commercial agreement in February 1940. Thereafter, Germany received significant amounts of critical raw materials necessary for its future war efforts, such as petroleum, grain, rubber and manganese, while sending weapons, technology and manufacturing machinery to the Soviet Union.
caption: Germans refueling with train tank cars one week into Operation Barbarossa
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