Which of the following contributed most to early people’s ability to produce food? a.
hunting of wild herds
c.
the ability to make fire
b.
the end of the Ice Age
d.
metal tools

utah hope this

a best description that resulted a division among labor in the early farming communities in their period was there was a change in their society in terms of having social roles to develop and change that led complications and divisions in the society.

to replace ineffective because   andrew jackson's spoil system was a deliberate policy after he became president to remove federal employees he considered to be political opponents and replace them with his own supporters.