Poland was ruled by Soviet-backed regime after the Second World War . The Polish government has been accused of failing to protect its citizens from Russian aggression and is now under pressure over a new law that would allow it to seize assets belonging to Russians who have fled their Centrally-planned economic system replaced by free market economy . Almost six million Poles , including the majority of the country 's large Jewish population , died during the devastating six-year conflict . Poland joined the European Union in 2004 .
Poland was ruled by Soviet-backed regime after the Second World War . The Polish government has been accused of failing to protect its citizens from Russian aggression and is now under pressure over a new law that would allow it to seize assets belonging to Russians who have fled their Centrally-planned economic system replaced by free market economy . Poland joined the European Union in 2004 .