<span>The Ancient Egyptian civilisation owes its growth directly to the Nile river. This is because the Nile deposits silt from the river on the ‘black land’ every year when it floods, making it suitable for agriculture. Otherwise, the only land available is desert.</span>
Beginning with the presidential elections of 2000, the term "blue state" has been used to describe a state in the U.S. whose citizens primarily vote for the Democratic Party.
