Aresult of colonial economic policy on african nations was that they? a. were set up mostly for exports b. were industrially developed c. were able to produce most needed goods domestically d. had strong groups of trained government officials

A result of colonial economic policy on African nations was that they were set up mostly for exports.  Instead of helping out those nations, they used cheap slave labor and scare tactics to export the precious minerals out of these poor African countries instead.

Answer decreased soil salinity;

The name may be in importnce  to them