Assertion: league's team | /r/HasProperty | the national league
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text: In 1969, as a result of its expansion to 12 teams, the National League—which for its first 93 years had competed equally in a single grouping—was reorganized into two divisions of six teams (respectively named the National League East and West, although geographically it was more like North and South), with the division champions meeting in the National League Championship Series (an additional round of postseason competition) for the right to advance to the World Series.