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.
Answer:
Democracy is a form of government where the people are giving a right to choose their leader.
Explanation:
<span>Empires were destroyed,
Millions were killed,
The world was upended in a war meant to end all others.</span>
The answer is D. Tom thumb