Total knee replacement is one of the most successful procedures in all of medicine. In the vast majority of cases, it enables people to live richer, more active lives free of chronic knee pain. Over time, however, a knee replacement may fail for a variety of reasons.
Resistance movement. A resistance movement is an organized effort by some portion of the civil population of a country to resist the legally established government or an occupying power and to disrupt civil order and stability.
It is considered to be Europe's most effective anti-Axis resistance movement during World War II, often compared to the Polish resistance movement, albeit the latter was a mostly non-communist autonomous movement. The Yugoslav Resistance was led by the Communist Party of Yugoslavia during World War II.