Why was Solidarity important to Poland and other countries

Solidarity gave rise to a broad, non-violent, anti-Communist social movement that, at its height, claimed some 9.4 million members. It is considered to have contributed greatly to the Fall of Communism.

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the protestant reformation's started in 1517, disturbing the religious and political order in europe´s catholic countries. the outcome was the european wars of religion prosecuted in europe in the 16th, 17th and part of the 18th century. nonetheless, uprisings, territorial disputes, and great power conflicts were also causes of the wars.  

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

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