Which of the following best describes the core economic principle of the Gold-Salt Trade?

Two regions trading goods that were scarce in one area but abundant in the other.

A single powerful empire forcing its neighbors to trade for essential goods.

Merchants trading identical items to establish political alliances.

An economic system based entirely on bartering for luxury items like silk and spices.

What was the primary reason the camel was essential for the expansion of the Trans-Saharan trade network?

It was a source of food and leather for merchants.

Its ability to travel long distances without water made crossing the desert feasible.

It was domesticated in North Africa and traders were familiar with it.

Its defensive capabilities could protect merchants from desert raiders.

By selling camels to North African traders.

By mining salt and selling it for a high price.

By conquering North African port cities.

By controlling gold mines and taxing the trade caravans passing through their territory.