Cool article. This was one time when I actually wish the article was slightly longer. I came away with only the vaguest sense of what made the return trip more difficult. Who were the "enemies" in question?
https://multimedia.scmp.com/culture/article/spanish-galleon/...
https://multimedia.scmp.com/culture/article/spanish-galleon/...
https://multimedia.scmp.com/culture/article/spanish-galleon/...
As for the "enemies," they were little more than pirates, brigands, and otherwise despondent vagrants looking for a bit of self-help justice (helping themselves to the spoils of thievery and robbery.)
England and Spain were not officially at war at the time.