Because the Greek city-states were weak and disorganized to unite after the Peloponnesian War.
<span>D. Were accompanied by an increase in trade</span>
Due to extremely high levels of unemployment and a sense among the public that not enough was being done by the administration to help those who had fallen on hard times during the economically stagnant first years of the Great Depression.
Answer: 28 de julio de 1914-11 de noviembre de 1918
Explanation: