The discovery of what led to a large population growth in the mid 1800s?

Explaining how did leopold's aggression promote western imperialism in africa?

How did the union blockade of the southern coast affect the confederacy? it forced the confederacy to build new railroads. it contributed to shortages of weapons and food. it encouraged europe to trade with the south. it halted all trade, leaving the south without supplies.

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price