location on the Bosporus Strait was one reason that Byzantine Empire able to?

- Control trade between the Black Sea and the Mediterranean Sea.

- Defend itself from naval attacks by controlling both sides of the strait.

- Project its power into the Black Sea and the Mediterranean Sea.

- Maintain its independence from its neighbours by controlling access to the Black Sea.

- Gain access to the resources of the Black Sea region, such as grain, timber, and furs.

- Maintain control over the lucrative spice trade between the East and the West.