He then became a teacher and after teaching for eight years [citation needed], Won Pat was nominated to the advisory Guam Congress in 1936.

Prior to the signing of the Organic Act in 1950 which provided for US citizenship and limited self-government, Guam's citizens were under complete US Navy rule.

Following World War II, Won Pat began to attain influence on the island forming the Guam Commercial Corporation in 1946.

After World War II, the drive for American citizenship gained momentum from the Chamorros' loyalty to the United States during the Japanese occupation of Guam.

Gaining approval in Washington D.C., the act gave the people of Guam American citizenship and the right to establish a civil government.

While in office Won Pat spread awareness to the other state representatives about Guam and the political situation it was in, and increased federal support following his effective lobbying.

These allies included California Congressman Philip Burton, a member of the House Interior and Insular Affairs Committee.

Shortly after World War II, the Trust Territory of the Pacific Islands, not including Guam, was created and administered by the United States.