[1][2][3][4] Following his studies, Davies travelled to Asia, spending time in Japan and China before returning to the US and joining the United States Navy as an engineer and pilot in 1918.
[1] During his "enforced leisure" resulting from the accident, wrote Dr. Ceinwen Hannah Thomas, Davies studied "economics, politics and the history of the Working Class Movement".
[1] Stirred into socialist political activism, Davies became a founding member of the Labour Party in the Ammanford district of Carmarthenshire.
He returned from Denmark a convinced nationalist in favour of an economic policy of co-operation which placed ownership and control of the means of production in the hands of the workers themselves".- Dr. Ceinwen Hannah Thomas[1] Of Davies' experience in Denmark, author Siôn T. Jobbins wrote "Impressed by that little country's ability to govern itself, the one-time member of the Independent Labour Party returned to Wales in 1924 a Welsh nationalist".
[4] In 1932, Davies and his wife again attempted to establish a Folk School in the Danish tradition, and bought the Pantybeilïau mansion at Gilwern in Monmouthshire.
[3] In 1939 Lewis resigned as Plaid Cymru president citing that Wales was not ready to accept the leadership of a Roman Catholic.
[3] Davies argued in favour of engaging English-speaking Welsh communities, and stressed the territorial integrity of Wales.
[3] In 1953, one-time republican Davies wrote an article in Y Faner publication strongly endorsing a Welsh constitutional monarch.
[2] Davies advocated for the elevation of a native Welsh gentry family, rather than inviting a foreign prince to the throne of Wales.