 The Soviets were particularly uneasy as the departure of Eastern Bloc's most populous nation from Comecon would trigger further financial and economic problems that would bring an end to communist rule in Central-Eastern Europe.After a series of strikes and demonstrations by employees of chief industrial regions, Poland was directly heading towards bankruptcy.The Military Council of National Salvation was formed by the new First Secretary of the Polish United Workers' Party, General Wojciech Jaruzelski, who was determined to put an end to the demonstrations and crush the opposition by force if necessary.