slash and burn agriculture System of agriculture that allows farmers to grow grain in places it does not naturally grow. It involves cutting the forestation of an area which is burned for the purposes of using the ashes as fertilizer for the deforested area.
Indus River valley A prosperous urban civilization emerged along the Indus River by 2500 B.C.E. Indus River peoples had trading contacts with Mesopotamia, but they developed a distinctive alphabet and artistic forms.
Harappa Major urban complex of Harappan civilization; laid out on planned grid pattern.