for example in niger one third of all girls are married off before they are years old whereas in burkina faso more than half are married before years meaning that fewer girls in burkina faso marry before the age of other factors too often change the rate at which children are married for example rural versus urban dynamics in east africa cefm is evident in the various forms of marriage it often manifests itself some of these manifested forms are levirate marriage whereby marriage is forced upon a widow to the brother of her deceased husband also known as wife inheritance and sororate marriage whereby the sister of a deceased or infertile wife is forced to marry or have sex with her brotherinlaw or widowerhusband the other forms of cefm in east africa include the trafficking of brides marriage as a dispute settlement mechanism and forced marriage in the context of armed conflict bush wives is a term given to the thousands of women who are abducted and forced to become the wives of the soldiers regardless of age