The correct answer is illustrative
American posters tended to use real life situations and be highly descriptive with numerous designer choices that illustrated situations, while the central powers' posters usually tended to be based around an idea and were less about specific situations or descriptive and vivid illustrations of actual events.
The most influential and powerful members of a political party are most likely to be found inside the national party level of the party and at its highest levels. If the President of the United States is from one particular party they are considered the head of the political party nationally making them the most powerful member of the party.
The correct answer is A.
The policy of detente means to reduce tensions, politically speaking, between two nations. This shows that answers B and D are incorrect.
Answer C is also wrong, as the Camp David Accords took place during Jimmy Carter's administration and helped to bring peace to Israel and Egypt. These meetings had nothing to do with the Soviet Union.
Once this policy was adopted by Richard Nixon, he worked with the leader of the Soviet Union to reduce the amount of arms the US and Soviet Union possessed. The agreement became known as SALT, aka Strategic Arms Limitation Treaty.
The person that got shot was Archduke Franz Ferdinand, Heir of the Austrian- Hungarian throne.