Q. What were the north's economic strengths

The North had a greater industrial advantage.

Explanation:

n 1860, the North manufactured 97% of the country firearms, 96% of its railroads, 94% of it cloth, 93% of its pig iron and over 90% of its boots and shoes.

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.

utilized the penal colony