Question

Which of the following explains how the location of Constantinople contributed to the city's success as the new capital?

The city was surrounded by several different cultures, making it a safe haven for people from varying religious backgrounds.
The city's close proximity to Rome and its traditions of government and religion helped it flourish.
The city's location allowed the emperor to control both land and sea trade routes between Europe and Asia.
The city was surrounded by mountains on three sides, making it easy to protect.