Answer: the Indus Valley was believed to be collapse because of climate change
Explanation:
Experts believe that the dying of the saraswati River cause this to collapse leading to its disappearance
The imperial court in Kyoto was the nominal ruler of governments of Japan from 794AD until the Meiji period. But then after the court was moved from Kyoto
Answer: Juan Gris, whose real name was José Victoriano González-Pérez, was a Spanish painter famous for painting in the Cubist style as well as producing some sculptures. His works are highly praised by art critics as being some of the finest examples of Cubist painting.
Explanation: José Victoriano González-Pérez, better known as Juan Gris, was a Spanish painter born in Madrid who lived and worked in France most of his life. Closely connected to the innovative artistic genre Cubism, his works are among the movement's most distinctive.
They could be primary or secondary source documets