What unites us is much greater than what divides us. For example, 3 divides 9, but 9 does not divide 3. It divides naturally into three distinct sections. Geographic segmentation divides markets according to geographic criteria. The UN divides the world into six regions. This divides the eye into three regions. Outside the vertebral column, the nerve divides into branches. Here the zygote divides repeatedly by mitosis and grows into a multicellular diploid sporophyte. Economically, the state divides into seven districts. Finally, the basilar artery divides into two posterior cerebral arteries. According to Giuliani, the BLM movement divides people and exacerbates racial tensions. It divides the genus into 10 groups. The Xiang divides the city into two parts. This sac also divides each lung into sections called lobes. Sufi cosmology divides the world into several realms.