Complex sentence: Following the war, he continued to advocate permanent nationalization of telephone, telegraph and cable services, but acknowledging that Congress would be hostile to the idea, oversaw the return of the communications infrastructure to its various corporate owners.
Split into simpler sentences: Following the war, he continued to advocate permanent nationalization of telephone, telegraph and cable services. He acknowledged that Congress would be hostile to the idea, and oversaw the return of the communications infrastructure to its various corporate owners.