Body language is a very powerful tool. We had body language before we had speech, and apparently, 80% of what you understand in a conversation is read through the body, not the words.
I wouldn't say my mother was my best friend, because that sounds odd, but we have a really tight bond and she is my friend on Facebook. Although she only goes on it to check up on me and sometimes we argue about it.
Also a great part of Polish industry proved to have existed only to support the Soviet military industry, and it became superfluous and incapable of being transformed into anything else. We did not foresee that or the magnitude of these phenomena.
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