Which source of a problem occurs when there is a gap existing between what was supposed to happen and what did happen?

The Convention on Combating Bribery of Foreign Public Officials in International Business Transactions obliges member-states and other signatories to make the bribery of foreign public officials a criminal offense

Indicate whether the statement is true or false.

Mark owns a lot where he would like to build a duplex, but the zoning ordinance only allows

single-family homes. Mark believes that he should be able to build a duplex because his lot is larger than most in the neighborhood. In addition, Mark's land is worth less if only a single-family home can be built on it. Mark can: A) Apply for a variance that would allow him to build contrary to the zoning regulations. B) Build the structure because it would not impose an undue hardship on the neighborhood and then apply for a special use permit once it was completed. C) Sue the city on the grounds that the ordinance is a private nuisance as it applies to Mark. D) Sue the city on the grounds that the zoning ordinance amounts to a taking because it reduces the value of his land. E) A and D