Complex sentence: The demolition was sponsored by the United States the main nuclear revival of the USSR as they paid 7 million US dollars for the destruction, while the US-based firm Controlled Demolition, Inc. was hired for the destruction job.
Split into simpler sentences: The demolition was sponsored by the United States the main nuclear revival of the USSR as they paid 7 million US dollars for the destruction. The US-based firm Controlled Demolition, Inc. was hired for the destruction job.