1. A method of providing advice to one or more users or evaluating decisions regarding influencing actors (individuals or groups) to affect a situation comprising: receiving data regarding said situation; receiving data regarding one or more of said actors; analyzing said data regarding said situation and said data regarding one or more of said actors to determine advice from a predetermined set of advice options in one or more advice tables Regarding one or more strategies applicable to one or more of said actors; and presenting or using said advice to indicate one or more of said strategies.