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
1 mm = 0.0001m
450 x 0.001 m = 0.45 meters
Roman. so yaaaaaaaaaaaaaaaaaa
The land where he needed to build his canal was owned by Colombia and they would not allow it.
The answer is Cuban Missile Crisis, hope i helped!
