Diary and artifact.
Primary Sources come from the original time or event. A diary represents a first-hand account of something by the original person. An artifact does virtually the same thing, being from that time period. All the other choices are incorrect because they are often told in a way that changes the original story or event.
The term was popularized by the media shortly after a press conference given on June 18, 1971, by President Richard Nixon—the day after publication of a special message from President Nixon to the Congress on Drug Abuse Prevention and Control—during which he declared drug abuse "public enemy number one”
Umm if u look it up it’s Richard Nixon-
Advances in radar and mine detection technology.
Moreover, Alliances are formed for various reasons, such as the need for financial or military support, trade agreements, investments or loans. Alliances became strong in the early 19th century when European states either wanted to support the French dictator Napoleon Bonaparte or to defeat him.
You can learn about this at:
brainly.com/question/8320685#SPJ4
Answer:
Why was the Enlightenment a turning point in history? It used logic and reason to explain the world. Enlightenment ideas completely changed the way nations are governed and how people viewed religion. People began to believe life should be enjoyed and that the world can be improved.
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