Answer:
he probably has the form of intellectual disability called <u>"down syndrome"</u> and he has a high likelihood of developing<u> "heart problems".</u>
Explanation:
Down syndrome refers to genetic disorder which is due to unusual division of cells or due to the chromosomal disorder.
Severeness of down syndrome is different among individuals, it causes intellectual disabilities and other abnormalities. Heart and gastrointestinal disorder is also common in individuals who suffer from down syndrome.
The purpose of the Blackstone's commentaries on the laws of England was to provide a source of common law that the people could understand and read. It was divided into four volumes; The right of persons, The right of things, private wrongs, and public wrongs.
This historian would be using "research skills" at this stage of the process, since he or she has yet to determine all the facts, and therefore is unable to yet form a thesis.