Complex sentence: Significantly, Hayek challenged the general view among British academics that fascism was a capitalist reaction against socialism, instead arguing that fascism and socialism had common roots in central economic planning and the power of the state over the individual.
Split into simpler sentences: Significantly, Hayek challenged the general view among British academics that fascism was a capitalist reaction against socialism. He argued that fascism and socialism had common roots in central economic planning and empowering the state over the individual.