Uhh water probably
most major civilizations formed around rivers/oceans (ex. Egypt, Mesopotamia, Indus Valley)
It is okay for the health care system because it is affordable to low income people.
May be from the age of 14 they will learn to use the one word phrases
That is when the children of Isreal where free
are you a CHRISTIAN too
Either shoes or skinny jeans, I'd go with shoes. Xavier would grow in both height and weight as he goes through the growth spurt. As his height grows, his foot will grow accordingly as he needs support for his enlarging body. So he would need shoes prior to all others.