It would be "d. appointment power" that allows him or her to appoint ambassadors, cabinet members, and all military officers, since this is one of the ways in which the president exerts his power over the nation.
The correct answer is that Russia and Britain sent troops to protect their interests there. This was aimed at ensuring that the countries had substantial influence in order to restrict foreign access. Oil was an important resource and still remains important as an energy source
Answer: D) Wealth changed the amount of power held by ancient civilizations