I find myself behind in techs regularly on monarch. What are the best techs to use as leverage? i.e. What techs do you often see that AI will trade for when you are quite a ways behind.
I've seen those associated with founding a religion are good ones to trade: Code of Laws, Philosophy, Theology, Divine Right.
Alphabet, Aesthetics, Literature, Drama, and Music are oft neglected by the AI.
Printing Press and Banking are neglected but require fewer beakers relative to those in that era, therefore trades involving these are often lopsided.
Biology and Medicine are often good trade bait, but lead to lopsided trades.
I've seen those associated with founding a religion are good ones to trade: Code of Laws, Philosophy, Theology, Divine Right.
Alphabet, Aesthetics, Literature, Drama, and Music are oft neglected by the AI.
Printing Press and Banking are neglected but require fewer beakers relative to those in that era, therefore trades involving these are often lopsided.
Biology and Medicine are often good trade bait, but lead to lopsided trades.