The skill of periodization allows historians to: divide history into periods and eras with common features.
.put historical events in chronological order.
explain how one historical event affects others.
decide which parts of history are important.

divide history into periods and eras with common features.

Explanation: For Ap3x

Brainliest ?

postive making stock not fall

negative   scams and   currpurt buisnesss practices

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.