They traded their gold for Salt from the Arabs
Answer:
In 1990, most university students were more dedicated to achieving economic and material goals and desires.
Explanation:
In the 90s, university students were experiencing a time of high economic quality in the USA. At that time, the job market was very prosperous and active, making students so dedicated to volunteer work, but focused on meeting the economic demand they had established for themselves, taking advantage of the strong economy of the 90s.
I can answer the cotton gin one it was a invention used to pick the seeds of cotton made it faster for cotton picking in the south
Fighting between the city-states lead to the peloponnese war
