Matabeleland food shortages. Robert Mugabe and Joshua Nkomo finally reconciled their political differences by late 1987. The roots of discord remained, however, and in some ways increased as Mugabe's rule became increasingly autocratic into the 21st century. In the early 1990s, a Land Acquisition Act was passed, calling for the Mugabe government to purchase mostly white-owned commercial farming land for redistribution to native Africans. Matabeleland has rich central plains, watered by tributaries of the Zambezi and Limpopo rivers, allowing it to sustain cattle and consistently produce large amounts of cotton and maize. But land grabbing, squatting, and repossessions of large white
Use-define chain Use-define chain A Use-Definition Chain ("UD Chain") is a data structure that consists of a use, U, of a variable, and all the definitions, D, of that variable that can reach that use without any other intervening definitions. A definition can have many forms, but is generally taken to mean the assignment of some value to a variable (which is different from the use of the term that refers to the language construct involving a data type and allocating storage). A counterpart of a "UD Chain" is a Definition-Use Chain ("DU Chain"), which consists of a definition, D, of a