You are right. I wouldn't use it, but I see that many respectable sources do. It's a stylistic choice, then, and I shouldn't have suggested that it was an error.Cagey: You can have retaliation 'from' foreign nations. Can't you? Then again, it's getting late over here and my brain is scrambled. So maybe not.
It's extracted from the sources in the question sheet of my economics half yearly exams. Could i please have one tiny off-topic question? Besides "by", we could replace "from" with "of", still maintaining the acceptability of the sentence?