Those lands were wealthy with gold, jewels, and spices.
It show that civilians had a understanding of astronomy
The correct answer to this open question is the following.
Although no options are attached, we could say that the best primary source material about the works of Mohandas Gandhi should be their own writings. That is the characteristic of a primary source, the information was written by the character itself of people that directly witnessed the life or events. For instance, there is a book authored by Ronald Duncan, that collects a series of documents written by Gandhi. The name of the book is "Selected Writings of Mahatma Gandhi."
1. Wounded Knee Massacre
2. Oklahoma Land Rush
3. Dawes Allotment
4. Sitting Bull Surrenders
5. Battle of Little Big Horn
6. Discovery of Gold in the Black Hills
7. "Big Bonanza" discovered on Comstock Lode
8. Hunters Begin to Decimate Bison Herds