Answer:
Iron products were in demand, but it wasn't until the 19th century, when technological advances drove down the cost and increased the quality of the product, that steel manufacturing became a dominant industry.
d) Axum
Explanation:
As well as being a trade center with vibrant culture, it is the only of the choices located on the Eastern coast of Africa.
Escaped slaves encouraged African kingdoms to go to war in order to stop the slave trade.
C
The answer is B to limit the amount of money a corporation could donate to a political candidate.
Technology booming era. robust economy.
