The Mesopotamians made many technological discoveries. They were the first to use the potter's wheel to make better pottery, they used irrigation to get water to their crops, they used bronze metal (and later iron metal) to make strong tools and weapons, and used looms to weave cloth from wool.
During its years of operation, the Freedmen's Bureau fed millions of people, built hospitals and provided medical aid, negotiated labor contracts for ex-slaves and settled labor disputes. It also helped former slaves legalize marriages and locate lost relatives, and assisted black veterans.Jun 1, 2010