Answer:
Option: B. They mark the beginning and ending of different periods.
Explanation:
Periodization tries to give weight to the way history is classified and organized through chronological periods. World history is enormous and dividing with each period differently to help historian and others to understand the past properly. Periodization is done to understand the period history with its political and other events during that particular period. They also help in telling the start and end of different periods.
Although the United States was actively involved in World War I for only nineteen months, from April 1917 to November 1918, the mobilization of the economy was extraordinary. ... Over four millionAmericans served in the armed forces, and the U.S. economyturned out a vast supply of raw materials and munitions.
Answer:
Right choices are:
-the creation of a League of Nations
-self-determination for peaceful nations
-freedom of navigation on the world’s seas
Explanation:
