Answer:
D. Decagon not regular because it has 10 sides
Venice and Florence emerged as key centers of trade in the Mediterranean, based on the trade of silk, cotton, wool and spices. The Italian city-states were the bridge between the Byzantine Empire, Western Europe, North Africa and the Middle East.
A. Partitition of India and Pakistan
B. Establishment of the caste system
C. British colonization of the Indian subcontinent
D. Gandhi's Salt March
In order: B-C-D-A