Answer:
climate change, land degradation etc. (more info below)
Explanation:
There are many global environmental changes that could cause human migration. Apart from climate change, land degradation in the form of nutrient depletion, soil erosion, contamination and salinisation can also contribute to changes that contribute to migration.
hope I helped!
Robert Fulton if im not mistaken
In 1924 FIDE was established
Try by moving the corners / angles of it