Erlander coined the phrase "the strong society", describing a society with a growing public sector taking care of the growing demand on many services that an affluent society creates. The public sector, particularly its welfare state institutions, grew considerably during his tenure as Prime Minister, while nationalizations were rare. In order to maintain employment for his vast electorate and Swedish sovereignty as a non-NATO member, the armed forces was greatly expanded, reaching an impressive level by the 1960s, while nuclear capability was ultimately dropped after outcries, not least from the Social Democratic Women's League.