The details we know for sure about Mabel is described in the first paragraph.
"She has met Mabel, a kind elderly blind lady who has asked Casey to spend an hour each day helping her around the house".
Answer:

Explanation:
<h2>What do the Five Pillars Mean?</h2>
- <em>The five pillars – the declaration of faith (shahada), prayer (salah), alms-giving (zakat), fasting (sawm) and pilgrimage (hajj) – constitute the basic norms of Islamic practice.</em>
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New York Yankees' Greg Bird watches his home run off ... one other player has started as many as 45 games at first
The decline of the Mound Builders of Cahokia brought a mass exodus caused by resource shortage.
Answer: Option 4
<u>Explanation:</u>
Mound Builders were a group of people lived in a place called Cahokia. They built various styles of mounds to live in, to worship and also to bury people. Cahokia flourished well and their major production was corn. Also, it reformed to a notable successful city by other cities.
During the 13th century, the medieval climate warming started to happen. According to researches Cahokia had experienced a prolonged drought in its 1350s. Also, the land became unsuitable to grow corns. The food resources also started to reduce in the area.
All the resources were more scarce after 1250. So people started o leave the place abandoned to new places they could survive. At the time of Spanish's entry to Cahokia in the 15th century, the place was completely abandoned.