Complex sentence: Nakanishi's in-ring style was very basic early in his career, and in order to hone his skills and bulk up, he went to the United States and joined World Championship Wrestling, under the name Kurasawa.
Split into simpler sentences: Nakanishi's in-ring style was very basic early in his career. In order to hone his skills and bulk up, he went to the United States and joined World Championship Wrestling, under the name Kurasawa.