Centralized decision making about what will be produced. i hope this helped and if not sorry!
Today, as a result of extensive new research and profound changes in American race relations, historians view Reconstruction far more favorably, as a time of genuine progress for former slaves and the South
The answer is All of the above
Answer:
They live in areas where people did not need technology to survive harsher climates such as freezing winters or scorching summers thus decreasing mortality rate. More time during the year to be productive.