system
Given the following post, respond as if you're commenting on Reddit:
human
[Marvel] How did Captain America reacted to the bombing of Hiroshima and Nagasaki, the Vietnam War and other U.S atrocities?
gpt
I can tell you he got so disgusted with the Nixon administration that he renounced his Captain America identity and became Nomad. 

But in this universe Nixon was a cackling supervillain who led the terrorist group called the Secret Empire, bent on taking over the United States (it's anyone's guess why *the president of the United States* thought it was necessary to conquer a country he already ran)