Answer: The death toll was 4,000 to 5,000, in a population of 50,000. Yellow fever outbreaks recurred in Philadelphia and other major ports through the nineteenth century, but none had as many fatalities as that of 1793. The 1798 epidemic in Philadelphia also prompted an exodus; an estimated 1,292 residents died.
Answer: Mongols did not necessarily need to expand their territories as much as they did. The pull factor for Mongol imperialism is directly related to the push factors. They may have included climactic and geographic issues impacting the nomadic tribes but most likely were due to the Mongols being enthusiastically militaristic.
It was invented to make objects that are far appear closer.
<span>Over the last 100 years, teaching has slowly adapted to the times. Instead of being hit by rulers, students may be verbally warned for acting out. On the positive side, because of the increase in accessible technology, students and teachers are more connected than ever. Although the actual information hasn't changed much, the way we, as teachers and students, communicate and how we progress has changed.</span>