The Industrial Revolution's New Processes Spread Slowly from England to Other

The industrial revolution's new processes spread slowly from England to other countries.What was one of the contributing factors to slowing the spread of technology?

A) The breakdown of the diffusion theory that kept new ideas and techniques from spreading .
B) England treating industrial techniques as state secrets to protect their technological knowledge.
C) The relative ignorance of non-English peoples when it came to mechanical devices.
D) The fear of steam and its potential for dangerous scalding of human skin.
E) England didn't understand the magnitude of the industrial revolution so the information was not communicated.