"[The Mongols] had to adopt new methods of making war. They learned the art of siege warfare. Siege warfare means cutting off a [region] from the outside world so it cannot receive supplies of
food or fresh troops." This form of warfare allowed the Mongols to effectively attack which type of
region?

The process of rocks breaking down and becoming other rocks

Roman builders used rows of arches in there buildings to form a curved ceiling called what

Explain how the poverty level is determined. on edinuity* the possible answer may the poverty level is defined by the u. s. bureau of the census and it is determined by calculating the cost of providing an adequate diet. this number is then multiplied by three because research has indicated that poor people spend a third of their income on food.