Italian Labour Union was created in 1950.
Italian Mathematical Union was created in 1922.
International Labor Union was created in 1878.
National Labor Union was created in 1866.
American Labor Union was created in 1902.
Union Labor Party - California - was created in 1901.
Union Labor Life Insurance Company was created in 1925.
Guyana Labour Union was created in 1919.
Japan Labour Union League was created in 1926.
National Labour Union of Morocco was created in 1973.
Labour Youth Union of Albania was created in 1941.
General Labour Union - Italy - was created in 1950.
The correct answer is the service industry. An increase in the service industry created a decline in labor union membership.