One of the major benefits of specialization is that: A. countries can focus on efficiently producing a small number of
goods.
B. countries are less likely to experience a division of labor.
C. countries become less reliant on voluntary exchange with others.
D. countries produce a much wider range of different goods.

A. countries can focus on efficiently producing a small number of goods.

Explanation:

Specialization is the process of concentrating on and becoming expert in a particular subject or skill.

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.

the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.