John Wallis was an English clergyman and mathematician who is given partial credit for the development of infinitesimal calculus. Between 1643 and 1689 he served as chief cryptographer for Parliament and, later, the royal court. He is credited with introducing the symbol ∞ to represent the concept of infinity.
Because it would stop fighting and wars obout politics and help make the world better and a happier place to live
Under feudalism, a piece of land granted to lords and knights in exchange for loyalty was called a<em><u> fiefs.</u></em>
B) Manifest Destiny represents the belief used to justify westward expansion of Americas borders in the 1800's. Manifest Destiny is defined as "In the 19th Century, was a widely held belief in the United States that American settlers were destined to expand throughout the continent."
Erik the Red. Erik the Red, byname of Erik Thorvaldsson, Old Norse Eirik Rauð, Icelandic Eiríkur Rauði, (flourished 10th century, Norway?), founder of the first European settlement on Greenland (c. 985) and the father of Leif Eriksson, one of the first Europeans to reach North America.
Hope this helps. :)
