The term used to describe the increase in the number of military capabilities which was felt by both the countries i.e. United States and Soviet Union is called as arms race. Thus, option 2nd is correct.
What is World War II?
The World War II is the war between the various nations which is also called as second world war. It started in 1939 and lasted till 1945. The war affected the every region of the globe.
The main combatants were the Allies, which included France, Great Britain, the United States, the Soviet Union, and, to a lesser extent, China, and the Axis forces, which included Germany, Italy, and Japan.
Military capabilities refer to the ability to fulfill a certain combat goal i.e. win a war or battle, destroy a target set etc. Force structure, modernization, preparedness, and sustainability are its four main pillars of the military capability.
Therefore, it can be concluded that arms race was the term used to show the increase in the military capabilities. Hence, option 2nd is correct.
Learn more about military here:
https://brainly.com/question/12622398
#SPJ5
