I would say it is false that t<span>he need to keep records of taxes led to the development of a written number system, if this is a true/false question.</span>
C. Avoid the problem of fighting Allied powers on two fronts; In more detail, the Schlieffen plan was the Imperial German plan to force a French surrender early in the case of a two front war with France and Russia. The plan stated that German troops should attack the French lowlands by marching through Belgium and advancing along the coast until the German units completed a pincer movement to the west of Paris, cutting off the main French force from their Capital. This was planned to be done in a few weeks, that way Germany could start an offensive against Russia before they could mobilize their army.
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.
european traders because that's how it worked
They were smaller and they took a large part of the roman army and for a while the didn't Pursue the byzantine empire they did eventually fight witch is why turkey still doesn't like Russia