The Kushites most important economic activities were ironmaking and trading.
Answer:
Explanation:
It was originally intended to shorten the sailing time between the Atlantic and Pacific Oceans. Were it not there, a ship would have to travel to the lowest tip of South America and back up again. It would extend any trip by not a trivial amount of time.
Answer:
It provided Spain with free Native-American labor to produce more crops cheaply.
Explanation:
The Spanish collected tributes and crops from Native Americans, whom they forced to work for them. Because they didn't have to pay them like they would have to with Spanish laborers, they could harvest more crops for trade and export for a lower cost. This built Spain's economy, allowing even more power and conquest of the New World.