Families that experience unemployment and poverty over several generations are the underclass.
These are the people who occupy the lowest classes and are frequently jobless and and or in poverty - this also denotes the families in question.
Portugal, Germany, Spain, Ottoman Empire,
It helped increase population. Before agriculture, people roamed around and
gathered what they could to survive.
Later on, they learned how to grow their plants and raise their own
livestock, they decided to settle down.
This led to the growth of communities and the start of civilization.
Answer:
anterograde amnesia
Explanation:
Here, Greg is not being able to recall new memories but remembers his old memories. This is a case of anterograde amnesia.
People who have anterograde amnesia lose their explicit memory (declarative memory) but retain their procedural memory.
Procedural memory is the memory which is in the background of a person's conciousness. For example, writing your signature is considered as procedural memory.