The answer is B. Both the US and Roman Empire have/had extensive military and also are high in the economic standings across the World. Rome was the center of everything, "all roads lead to Rome". The US is definitely high up in global status and on its way to becoming the next Rome.
<span>Many times, there are boards of ethics constructed for the very purpose of making sure ethical issues are followed to the best of their ability and that the science is as neutral as possible. When ethical issues do arise, the boards and groups do whatever is necessary to make sure that the researchers make the appropriate adjustments or make these ethical situations known to the research subjects.</span>
<span>Iran is the Middle Eastern country that one would expect to have an economy that is command-based rather than market based. When a country has a command-based economy, it means that the production of goods, the prices, the income and the investments of the country are all determined by the government. Saudi Arabia, Turkey, and Nigeria have economies that are market-based.</span>
