Q. Which of the following evidences corroborates the trade links between the Sumerian and Indus people?
  1. Imitation by the Harappans of some cosmetics used by the Sumerians
  2. Discovery of a circular button seal
  3. Bun-shaped copper ingots
  4. Discovery of Indus seals from different cities of Mesopotamia like Ur, Kish, Susa, Lagash and Tell Asmar
Choose the correct answer using the codes given below:

Answer: 1, 2, 3 & 4
Notes: