The answer to your question is C
Answer:
1. The significance of Aryan and other tribal migrations on the Indus Valley is that they started the culture of horses and chariots. The Indo Iranians played an important part in this history of India as they were the successors of the Proto Indo Europeans.
I have decided to answer this with a song. I have attached the music sheets of this song.
The first one is Frida Kahlo was influenced by mexican indigenous cultures and the second one is Frida Kahlo often wore traditional native clothing.