After the end of the Second World War, most Czechs considered the Polish population of the 'Zaolzie' area as a disloyal national minority and accused it of having taken an active part in the breakup of Czechoslovakia at the end of the 1930s. Immediately following liberation, the local Czechs (often with the assistance of the local authorities) started to settle accounts with the Poles. The latter could not be subjected to the same treatment as the Sudeten Germans or the Hungarians as the Poles were also backed by the Warsaw government, which demanded that Czechoslovakia agree to a correction of the border in Cieszyn Silesia that would take the nationality principle into account. Even the alliance agreement of March 1947 did not resolve disputes on this issue. The fate of property belonging to Polish organizations was complex. This property was not returned to the Poles after the war and there was no acquiescence to the reactivation of Polish associations. Only in the summer of 1947 did it become possible for the Polish Cultural and Educational Association and the Polish Youth Association to resume functioning. However, this did not signify an end to problems with restitution of the property of pre-war Polish associations - Poles managed to recover them only partially.
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