What is one good thing about choosing citizens randomly to hold government jobs?

In 1957, james vicary reported that subliminal messages in a movie reel ("eat popcorn") caused viewers to rush to the concessions stands. although his findings became famous, the problem is that

At which level of production does the company make the most profit? the first pair of cleats the second pair of cleats the third pair of cleats the fourth pair of cleats

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.