Final answer:
The information provided does not address the specific question about Harrison's handicap and how he overcame it.
Step-by-step explanation:
The information provided does not directly address the specific question about Harrison and his handicap. Therefore, we cannot infer anything about Harrison as there is no information about his handicap in the given text. We cannot determine how Harrison was able to overcome a mental handicap imposed by the government because there is no mention of such a handicap in the text.