Answer:
Sea trade was faster and less deadly
Overland trade was slow and dangerous
Explanation:
Kono Dio Da!!!
Kush was weakened by the loss of trade.
Answer:
As the North industrialized rapidly between 1820 and 1860, railroads helped create --and prospered from -- the rise of factory production and diversified large-scale agriculture. In the South, railroads played a marginal role in the cotton and tobacco economy.
A. Hope this helps you with ur school!