The rise in oil, steel, and manufacturing goods
I'm pretty sure it's Bernardo de Gálvez
European imperialism in the 19th century was motivated by the desire of acquiring raw materials for their industries. Other motives were for power and territory expansion. In the 19th century, power can be seen through how many colonies were under a European nation. since this also entails to greater economic and political power.
It might be C because they had many productive textile mills
The federal government was too weak, and couldn't enforce their laws. They had borrowed money for the Revolutionary War and couldn't pay their debt. They also lacked the power to tax.
Therefore, the answer would be the first one.