During reconstruction, which organization built schools and trained teachers? scalawags the freedmen’s bureau the southern democratic party

During Reconstruction, the Freedmen's Bureau built schools and trained teachers.

Explanation:

The Freedmen's Bureau was an agency of the United States Federal Government whose purpose was to assist refugees affected by the Civil War.

 This office instituted day-to-day duties, providing daily rations and clothing to former slaves who had no money. It also built schools and churches, and trained teachers to teach in schools. Thus, 4,000 schools were built, as well as a university in Atlanta to train a black cultured elite.

they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.