Answer:
THINK - 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.
WONDER - Serengeti Migration
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Answer:
g. defined the U.S. border, with great britain
They farmed land owned by someone else
Hold on our severs are swamped
Westing house invented the air brake, which stopped all the railroad cars at once. This increased safety and allowed longer, faster trains.