The first one was to be focused on collectivisation, the second focused on industrialisation, and the third phase would emphasize the militarisation of the country. Stalin escalated tensions in Europe by providing a combination of economic and military support to Weimar Germany, and later to Nazi Germany (see Germany–Soviet Union relations before 1941). After World War I, the Entente attempted to impose severe restrictions on Weimar Germany to prevent it from rearming and again becoming a significant military threat.