I belive that what contributes too the deep anger is probably sword.
The factors that encouraged commercial growth in the post classical era include the following: new state practices, new trading organisations and new state sponsored commercial infrastructures. The post classical era refers to the period which immediately followed the ancient history and precede modern history.
D is the answer ( for cutting off our trade with parts of the world )
Answer:
1562 and the west coast of Africa
Explanation:
The transatlantic slave trade began during the 15th century when Portugal, and subsequently other European kingdoms, were finally able to expand overseas and reach Africa. The Portuguese first began to kidnap people from the west coast of Africa and to take those they enslaved back to Europe