Klassen was openly racist, antisemitic and anti-Christian and first popularized the term "Racial Holy War" within the White Power movement.

[2] Klassen was a Republican Florida state legislator for several months, as well as a supporter of George Wallace's presidential campaign.

He was a natural hygienist who opposed the germ theory of disease as well as conventional medicine and promoted a fruitarian, raw food diet.

He hired several salesmen, including Merle Peek, who convinced him to buy large land development projects in Nevada.

In the face of competition from larger manufacturers that could provide similar products more cheaply, Klassen and his partners dissolved the company in 1962.

[1][5] Klassen served Broward County in the Florida House of Representatives from November 1966 – March 1967,[3] running on an anti-busing, anti-government platform.

Less than a year after he created the Nationalist White Party, Klassen began expressing apprehension about Christianity to his connections through letters.

The original curriculum was a two-week summer program that included activities such as "hiking, camping, training in handling of firearms, archery, tennis, white water rafting and other healthy outdoor activities", as well as instruction on "the goals and doctrines of Creativity and how they could best serve their own race in various capacities of leadership.

[12] Fearing that a conviction might mean the loss of 20 acres of land worth about $400,000 in Otto, North Carolina, belonging to the church, Klassen sold it to another white supremacist, William Luther Pierce, author of the Turner Diaries, for $100,000.

"[15] In his 1987 book Rahowa – This Planet Is All Ours he claims that Jews created Christianity in order to make white people weaker, and he said that the first priority should be to "smash the Jewish Behemoth".

[6] Klassen rejected the germ theory of disease and believed that modern medicine was a Jewish multi-billion-dollar fraud.

[6][1]: 73–74  Historian George Michael has written that "despite his advocacy of healthy nutrition, some of his associates claimed that in practice Klassen did not actually follow the "salubrious living" regimen, because he often ate red meat and ice cream.

"[1]: 74 Klassen firmly opposed religion because he believed it was superstitious, and he described Christianity as a "Jewish creation" which was designed to unhinge white people by promoting a "completely perverted attitude" about life and nature.