A narwhal's tusk is actually a protruding canine tooth(I guess all animal tusks are actually teeth, but it's still pretty cool). In addition to this, the horn can grow to be as long as 9 ft. However, scientists are not yet sure if the narwhal's horn actually serves any real purpose.
The ¡Kung San is a society of hunters and gatherers of Africa, which survives in several African countries (Botswana, Namibia, Angola, Zambia, Zimbabwe and South Africa), whose society and culture are similar to the Eskimos, where women have a role very important because they are the harvesters of fruits, roots, while men hunt with arrows to obtain meat. Riches are collective because they depend a lot on each other. The ¡Kung consider the Earth, the first mother of all the inhabitants of the tribe, and gender roles are not immutable, being able to hunt women and collect men.
Without giving us the passage you have in front of you, maybe you can figure it out on your own (or perhaps already did). Which of the themes is evident in the passage you're looking at?
The rise of McCarthyism: Senator Joseph McCarthy led a vigorous campaign to root out all persons that had any suspicion of being communist sympathizers.
The elimination of the House Un-American Activities Committee: That was part of the backlash against McCarthyism, seeing that McCarthy and others had gone to far in their anti-communism crusade.
Opposition to Republicans supporting the Korean War: Though Truman's actions to get involve the United States in the war in Korean were initially popular, that popularity began to dwindle once China entered into the conflict and it became apparent this was going to be a protracted and difficult struggle.
The Truman Doctrine was first stated by the president to Congress in 1947, saying: "I<span>t must be the policy of the United States to support free people who are resisting attempted subjugation by armed minorities or by outside pressures." Essentially, the Truman Doctrine pledged American effort elsewhere in the world to check the spread of communist and Soviet influence. The policy was first put into action in 1948 by providing economic support to Greece and Turkey to stave off communist movement in those countries.</span>
Virginia, Alabama, Georgia, and other states with big cash crop plantations had the largest slave population in 1860.
