The Nez Perce pack was released in April 1996, and immediately lost "pack unity, " the National Fish and Wildlife Service said.

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The MDC has lost quite a lot of support because of its patchy performance in the unity government.

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The BBC's Europe Correspondent Matthew Price said there was "growing unity" about the issue across the EU, with an estimated one trillion euros lost every year due to individuals and companies not paying as much tax as they could do.

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