A. Charles Darwin
Darwin suggested that a sneer retains elements of baring one's teeth so as to threaten predators.
Answer:
The Maya religious and political system was based on the belief that rulers were in direct communication with the gods. When these divine connections failed to produce rainfall and good harvests, tensions likely developed.
The different types of rock music have been popularised by the American film and music industry during the 1980's to a point that it spread out throughout the world. The trend was attracted internationally because of the high American standards of music incorporating the most advanced technologies.
It was the Kansas-Nebraska Act that led up to the disintegration of the Whig Party.
<span>Adam Smith's writings came to represent an economic system known as laissez-faire. This was the precursor to capitalism in the sense that the economy was governed by the invisible hands of supply and demand. Naturally, the supply and demand are affected and altered by buyers and sellers. So sellers would try to maximize their profit while competing with other sellers for business. Buyers would try to buy the BEST material without spending an arm and a leg. These cycles gave rise to the development of the more complex entity of capitalism. It also resulted in the polar opposite of economic socialis . i hope it helps</span>
