Sagot :
Answer:
Gunpowder and cannons.
Explanation:
This items and also numerals and decimal system, are examples of the cultural transfer among Indian, Arab and Europeans. Since the usage of gunpowder and cannons began in China and then exported to India and Middle East, by 1200 CE was evidence of the first cannons used by Arabs in Spain.
Taking this into account, option E is the most accurate.