They were called Scribes.
The Korean War. North and South Korea are still technically at war. An armistice was signed in 1953 to halt fighting, but no final treaty was signed, unlike after World War 2.
United States, NATO allies and South Korea fought against North Korea, who received aid from Chinese forces.
This an example of actual combat during the so-called Cold War between the United States and the Soviet Union between 1945-1991. The two sides had different ideologies (democracy vs. communism), which led to friction.
The reasons as to why Irish citizens immigrated was to escape religious and political persecution. The Irish Potato Famine was another reason for this because potatoes were the staple food at the time which forced peasants to leave Ireland.
They made the European community unite against Napoleon.
One the one hand , we have the revolutionary vision of Napoleon of bringing new ideas into neighbouring and distant European nations. Napoleon himself declared_"I wished to found a European system...a European Code of Laws, ..: there would be but one people in Europe," With the Napoleonic Wars, the nations had to assemble in order to balance power, thus, giving birth to famous treaties and conventions such as the Treaty of Paris and Vienna. With increasingly many political opponents, the Europeans tried to banish the specter of Napoleon and its influence so either from the perspective of Napoleon or his opponents, a common European space was born.
D: completed a citizenship process
After serving in the military, even for 5 years, you still have to apply for naturalization and get approved in order to naturalize through military work. You must also meet a lot of requirements beyond your military service to be eligible.
There is no citizenship contest.
Being born in the United States automatically makes you a citizen, you do not need to be naturalized.
D is the only answer that upon completion makes you a naturalized citizen because you have gone through the process of naturalization.