I think it’s because the land was dry, however that isn’t an answer so maybe try rocky soil? sorry
The correct answer: is by their own soldiers!
Hope This Help! ^_^
Answer:
At convergent boundaries, continental crust is created and oceanic crust is destroyed as it subducts, melts, and becomes magma. Convergent plate movement also creates earthquakes and often forms chains of volcanoes.
Explanation: