Because a civil war is war happening within the same country, hence the literal name.
Out of the choices given, the one that did NOT occur after the fall of Constantinople on May 29, 1453 was the Ottomans refused to permit anyone in the region that was not a Muslim. The correct answer is C.
<span>The share of people in the labor force involved in agricultural work has not only declined, it has declined dramatically over the last century. Although agricultural employment had already been in gradual decline from its peak, the widespread introduction of the mechanized tractor and combine in the 1920s caused a sharp decline which has continued, though at a slower pace, to this day. Currently about 2% of the workforce is engaged in agricultural production, down from 50% a century and a half ago.</span>
