Answer:
the steam ingion let martials quickly travel throw-out the unit states by train. it was much cheaper and less phycal labor.
Explanation:
Answer:
The trade routes of Ancient Africa played an important role in the economy of many African Empires. Goods from Western and Central Africa were traded across trade routes to faraway places like Europe, the Middle East, and India.
Answer:
High tarrifs and competing nations
Explanation: