can you pls send a better pic its kind of blurry
I believe that the most fitting answer for this question would be that the cities contained no alcohol. The Prohibition went into action in 1920 and lasted until 1933. Alcohol was largely banned, and 'dry' states banned the sale of any alcoholic beverages. Dry counties and different regulations on alcohol connected to the Prohibition are still in effect today. Hope this helps.
The correct answer is convert gold and silver to goods.
It did make it self sufficient and it encouraged having more colonies because it made it possible to use the resources of the colonies in order to be self sufficient. In order to find colonies you had to explore so it had to be supported too.