The answer is first opium war
The voyages of Christopher Columbus led to the first lasting European contact with the Americas, inaugurating a period of European exploration, conquest, and colonization that lasted for several centuries. Columbus was not the first European explorer to reach the Americas having been preceded by the Norse expedition led by Leif Erikson in the 11th century. Leif Erikson was an Icelandic explorer considered by some as the first European to land in North America (excluding Greenland), before Columbus. There is much debate as some say that many different people, spanning centuries, set foot on the New World (as the Americas were called) before Columbus, and, of course, the ancestors of the Native Americans had already discovered it many years before.
<span>The answer is Letter D. It is written in a tone that is appropriate for an explanatory essay than the other letters. Since the letters a,b,c, is informal for an explanatory essay. Letter D. explains the Neolithic Revolution with formality and proper use of words, than the other letters.</span>
Charisma and propaganda--Reagan knew how to reach his audience and convince the American people they were in a state of danger and he had been able to keep them safe.
The Reagan administration focused on Cold War tactics first convincing American citizens they were unsafe in a world with communism and the USSR. He then developed military focus and propaganda to prove his leadership was keeping Americans safe. This with large tax breaks and a sense of conservative 'normalcy' made him very popular with the majority of white America.
The correct answer is:
C. Olmec
The Olmec civilization used to create stone representations of human heads sculpted from large basalt boulders, these are called " Olmec colossal heads". The heads date from at least 900 BC and are a distinctive feature of the Olmec civilization of ancient Mesoamerica.
