3. Explaining Why was the National Banking System
developed?

The act allowed the creation of national banks, set out a plan for establishing a national currency backed by government securities held by other banks, and gave the federal government the ability to sell war bonds and securities (in order to help the war effort).

Explanation:

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

your answer is a hope this