Par- has several meanings, including "near" or "beyond." Check these definitions. http://dictionary.reference.com/browse/par-
Reconstruction -- see this site for details. http://www.digitalhistory.uh.edu/reconstruction/introduction.html
Factors of 72: 1, 72, 2, 36, 3, 24, 4, 18, 6, 12, 8, 9 Which of those numbers also goes into 24 and 36? Which is largest?
Oops! I was wrong, Quidditch is right.
Yes, it has parallel structure.
That depends upon the age of the children, the materials, and the exploration the children already have done.
Oh, my! Is a person a compilation of his physical attributes? Is a person a soul temporarily enclosed in a physical body? Is a person a complex mixture of beliefs, accomplishments, hopes, dreams, personality, physical body, abilities, loves, hates, etc.? What do YOU think?
Assuming that the rest of the portfolio is in municipal bonds -- 1 - (1/8 + 1/10 + 1/5) = 1 - (5/40 + 4/40 + 8/40) = ?
My hunch is that your teacher is referring to the time the Civil Service Commission was started. Read the Wikipedia article that Bobpursley posted.
For Further Reading