Egypt is in Africa. However, it's attached to Southwest Asia at Suez. Because of its ancient history, governance by ancient Greece, and later by Britain, it has strong ties with Europe.
The correct answer is: B) it placed taxes on purchase of all goods
Ancient Greece did not have a system for direct taxation, therefore, it cannot place tax over the purchase of all goods. At the time, tax was only collected from the wealthiest Greeks during times of need (usually war).
Sovereignity means the supreme power or authority or could be a self-governing state. It also means that a state or a country has the full right and power of a government and is independent. It is a basic principle underlying the dominant Westphalian model of state foundation.