 However, Czechoslovakia was eager to accept the US aid; the Polish government had a similar attitude, and this was of great concern to the Soviets.In one of the clearest signs of Soviet control over the region up to that point, the Czechoslovakian foreign minister, Jan Masaryk, was summoned to Moscow and berated by Stalin for considering joining the Marshall Plan.Polish Prime minister Józef Cyrankiewicz was rewarded for the Polish rejection of the Plan with a huge 5 year trade agreement, including $450 million in credit, 200,000 tons of grain, heavy machinery and factories.