This is called a "map legend" or a "map key". It's usually located on the side or on the bottom, whether some space is available and it lists the symbols used in the map along with their meaning.
One of the effects of the black death on Europe was social and economic Upheavals.
The Black that killed almost 60 % Person of total population in Europe. After the incidents, a lot of Lands became free and provide the survivors with a lot of opportunities which increased the prosperity for those who managed to survive
Sumerians were known for two inventions:
irrigation, that is bringing water to crops that would otherwise not have access to it
and writing: cuneiform, one of two first writing systems on earth (the other being hieroglyphs).
The correct answer is a follower.
In a group situation, an individual who adopts the follower role is someone who accepts and goes along with what his or her group members say, regardless of whether or not he or she has contributed to the group discussion. A follower might be a passive member of the group who listens to others without voicing his or her opinion on the matter being discussed.
The emotional volatility of Lee best illustrates the spillover effect. In addition, the spillover effect model is used in psychological research to assess the influence of the work domain on the home domain and accordingly the transfer of work associated emotions from the employee to others at home which is mainly the partner. The means in which wellbeing can be transported have been characterized by two diverse mechanisms which are spillover and crossover.