Riverside California was Founded in 1893
I would think that's true. Having the means to create more products would lead to an increase in trade, assuming the products are not meant solely for domestic use.
President W. Wilson had promised that the United States would stay neutral in the war. But in April of 1917, the Germans had announced they would have their submarines sink any ship bringing supplies to their enemies; and they had sunk a number of merchant ships. Wilson now said he must stand by the right of Americans to travel on merchant ships in the war zone.