The correct answer is A. Appalachian Mountains
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.
Correct answer: C) The Cold War was not a conventional war, and its costs are measured by the individual proxy wars.
Explanation:
Both the Korean War and the Vietnam War would factor in as "proxy wars" during the Cold War.
One could argue that there would be ways to chart the costs of the Cold War simply by tabulating what was spent on developing military arsenals that stood ready to be used in the event of direct warfare between the superpowers who opposed each other in the Cold War. As the Cold War continued, the two superpowers (US and USSR) kept escalating their weapons capabilities and stockpiles. It got to the point that if the two sides did plunge into war, they would face mutually assured destruction. Massive amounts were spent on the proliferation of nuclear weapons.
Leapfrogging also know as island hopping is a military strategy employed by the Allies in the Pacific war against Japan during world war 2
