Query: What was the first major urbanization in India?
Context: sixteen monarchies and "republics" known as the Mahajanapadas—Kashi, Kosala, Anga, Magadha, Vajji (or Vriji), Malla, Chedi, Vatsa (or Vamsa), Kuru, Panchala, Matsya (or Machcha), Shurasena, Assaka, Avanti, Gandhara, and Kamboja—stretched across the Indo-Gangetic Plain from modern-day Afghanistan to Bengal and Maharashtra. This period saw the second major rise of urbanism in India after the Indus Valley Civilisation.