Yes, the video states that Papua New Guinea has the most languages spoken in it, and India is the second most. Therefore, out of the countries you listed, India has the most languages spoken.
Yes, the video mentions a famous and influential design of a dancing Shiva called "Shiva as Nataraja," which means "Lord of Dance."
Yes, that's correct. The video states that during the early medieval period, Hinduism began to "skyrocket in terms of popularity," and royal courts favored the cults of Vishnu and Shiva. This period saw the production of impressive Hindu temples.
This lecture, "LECTURE 35 HIS 121" by Keith Shaw, focuses on connecting historical dots, particularly how various regions became more interconnected through exploration and cultural exchange. It examines medieval India, the rise of the Cola Dynasty, the spread of Islam, and the Golden Age of Islam centered in Baghdad, highlighting advancements in scholarship, science, and the transmission of knowledge.