Why Was the Irrigation of Soviet Cotton Farming Operations a Problem

Why was the irrigation of Soviet cotton farming operations a problem?

A) Irrigation water came from rivers feeding into one of the largest lakes on Earth and resulted in major contamination of that source.
B) It drained the Aral Sea and increased the salt content of soils.
C) It was,for the most part,not a problem.
D) It angered local resort communities,which did not want farming in the region.
E) There was governmental opposition that limited water access,killing crops.