sentences:  The player gets additional colonists by producing food (200 food units in a settlement generates a new unit), by immigration from Europe, by converting the natives or by capturing unarmed units of competing European colonies.The player may trade with Europe using various natural resources which are produced in settlements or acquired from trade with natives.In each settlement the player can also build up industrial buildings to convert raw materials into processed goods, which sell for more in Europe, providing a significant economic advance.