Guys really you got your response from the EB team that under no situation would they include the Qin dynasty in EB with the TW engine, why is this argument still going on? It's pretty obvious that no one is going to be changing their mind in this thread. Just accept that an alternate history there is really an infinite number of possibilities for outcomes. Maybe the Chinese and Romans could have had a military impact on each other but we will never know since if you change one factor there will be a ripple effect. If chinese soldier went west whats to say they wouldn't come close to rebellion and the army would have to turn back (a la Alexanders macedonian army at the indus), it just can't be known since there are too many variables.