It reduced the need for slaves,and was a much quicker process.
oohhhhh that makes since lemme work on it
After the war, the U.S.'s primary goal was prosperity through open markets and a strengthened Europe. The Soviet Union sought prosperity through security; a rebuilt Europe would be a threat. Similarly, the U.S. advocated capitalism while the Soviets advocated communism
From war and because it's poor place
Well, i think the answer would be : Standardized weight and measures
Standardized weight and measures first developed by the muslim merchants in Cairo. Before this standard, Length was measured by the length of one's body.
For example to measure silk, the usually used the term such as 1 arm length.
The thing is, many traders started to hire shorter people to measure this to gain profit , making exchange often became problematic
hope this helps
