What additional evidence demonstrates that the conflict in xinjiang is a cultural one?

The additional evidence that demonstrate that the conflict in Xinjiang is a cultural one is  the multilingualism and cultural pluralism that  have been progressively curtailed.
This type of thing is very common in Asian continent

hope this helps

These islands/chinampas then provided rich soil for crops with easy access to water. i hope this is correct, im so sorry if its not !

Spanish conquistadors demanded labour from natives.