It reminded people that a nuclear war would be devastating for everyone.
degrthyjuhmbgftrhyjunbgfdsgtrhyujmnbgfdrgthyjunb vdfgtrhnbgfvds......A
Answer: Merchants from different places exchange one type of coin to another.
Explanation: Moneychangers were in (virtually) every city's harbor. Traders from foreigns country came to moneychangers to change their money to the local currency (AKA local coin) so that the traders could do buisness in that country
