Answer:
The barter system, being the most efficient and simple came to be employed in Ancient Egypt. It must be noted, that barter means exchange, or something in return for another. No standard form of currency or coin or paper money was in use at the time. In Egypt, the barter method worked like this.
Sparta had a very interesting society in which women had to be over... most things, because the men were always either training at a war camp, or at war, and couldn't help. In fact, Women were the ones to send their sons into battle and would tell them: Come back with your shield, or upon it.
The Kingdom of Prussia (aka "Germany") and the Austrian Empire joined together to seize the territory of Schleswig-Holstein from Denmark due to the regions majority German population.
I will say it's C. It extended over three major continents.
Moral diplomacy was a major tool for the United States to pursue its economic interests abroad.
In the end, moral diplomacy increased the U.S.'s direct military action in many countries and also greatly impacted the economy by manipulating situations in countries that were not democratic or those that held what Wilson viewed as morally corrupt values.