The correct answer is D.
The Internet is a unique technological invention of the modern era developed and opened to mass use since the 1990's. Before this period, the situation of a Japanese student practicing English with Irish students through the internet would have been impossible. On the other hand, all of the other options could be situated in modern or pre-modern times indistinctly.
For this item, all of the choices are factors that keeps the working conditions poor in the factory. However, if I am to choose one among them, I would go with letter "C. not enough qualified people". The lack of qualified people may incur a bigger lose for the company.
It would be the oil fields especially the Romanian oil fields that if captured intact would supply the German war machine with a source of oil and fuel. Also capturing it would increase the prestige of the German Empire and would keep the army rolling without importing oil from distant areas that is prone to allied raids.
The cause and effect relationship suggested in this paragraph is the rise and popularity of radio caused a new approach to advertising. Thus the correct answer is B.
<h3>What is advertising?</h3>
Advertising is a tool of communication to create awareness about goods and services and promotes them in the market. This is referred to as the cheapest and quickest way of promotion.
The given passage it reflects that radio become popular due to widespread use in listening to music , concerts, and event-related news. This shows that it has a wide reach to the audience.
Therefore, optyion B's popularity of radio caused a new approach to advertising is appropriate to answer.
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Harry Truman established a policy that was named after him and that declared the U.S would help any nation resists communism
