He was nominated for Governor of Michigan by the Farmer-Labor Party in 1934, but declined.
The Farmer-Labor Party was the result, with Christensen chosen as presidential nominee.
In 1920 the Farmer-Labor Party was organized on a national basis.
There were unsuccessful attempts to develop the party into a national Farmer-Labor Party in the early 1920s.
He was elected to the United States Senate in 1936 as a member of the Farmer-Labor Party.
By the time he ran for office he was a member of the Farmer-Labor Party.
This was the best performance by the Farmer-Labor Party in a state election outside Minnesota, which would soon become its main stronghold.
The 1922 Convention of the Farmer-Labor Party was attended by 72 delegates, representing organizations in 17 states.
His dissertation was a history of the Farmer-Labor Party of Minnesota.
The small, populist Farmer-Labor Party also held two seats following the election.