What youth bulge theories best explain war?

The 'Youth Bulge Theory' is a concept which determines young men and women as an increasing population as well as volatile historically.  

Explanation:

It occurs particularly in least developed countries and mainly in developing countries. This theory identifies the idea of raising potential for rebellion by the presence of even more than 20 percent of young people. 'Youth Bulge Theory' is helpful in decreasing infant mortality rates. Hence, the Youth Bulge theory of South Africa best explains this theory.

they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.