My word, you really are a cretinous fool aren't you? Scurvy is caused by a lack of vitamin C, and was prevalent in various societies long before Britain built its empire.
It was common in sailors, which obviously were not exclusive to Britain. You are either a liar or a retard when it comes to historical knowledge.
I honestly have no clue why you continue to frequent this forum. Your Spanish ancestors no doubt killed natives too, but frankly who gives a f
uck? I don't

That's what the world was like then, and any society with the means to conquer new lands would have done so. Anyone who believes otherwise is a fool.