If 'As the Tokugawa shoguns had feared, this opening of the floodgates of Western culture after such prolonged isolation had a traumatic effect on Japanese society.' is true, does it logically mean that 'Opening of floodgates of Western culture after such prolonged isolation had a traumatic effect on Japanese society, as the Tokugawa shoguns had feared.' also is?
As the Tokugawa shoguns had feared, this opening of the floodgates of Western culture after such prolonged isolation had a traumatic effect on Japanese society.###Opening of floodgates of Western culture after such prolonged isolation had a traumatic effect on Japanese society, as the Tokugawa shoguns had feared.