[1] This area of the Mediterranean Sea is prone to strong winds, making a safe journey around the island difficult.

[2] Approximately 200 metres southwest of the island is a dangerous reef that has caught many sailors unawares.

The ruins of several vessels that crashed into the hidden reef can be found there,[3] representing a range of periods and styles.

Artifacts discovered at the main site included lamps, whose shapes were used to date the wreck.

Trade with Persians was risky because of the "frequent wars between Byzantine and Persia ... Roman commerce suffered heavily both through the interpretation of communication and through the raising of the price of raw material".

[4] In towns at war with Persia, the price for raw materials was high, and the finished product cost more than in other cities.

In the 6th century, the Empire obtained sandalwood, aloes, and silk from Ceylon, as trade with India and Ethiopia was the main business in this part of the world.

The third part of the constitution claims that private producers receive aid only from family members, although some might also have slaves to help in the business.

During this time, Constantinople especially continued trade with Africa, while other Alexandrian ships began to reach places as far west as Britain.

Sailing was later suspended for four months between November and March because of dangers such as pirates, land-based robbers, and ships being set on fire.

Byzantine ships would sail together to give aid to each other, and they began to carry armed men for further protection.