Jeff M. Smith writes for War On Rocks and explains the history of the Quad as well as its relationship and influence on China. He talks about the Quad in relation to it being Asias NATO and about India’s change of heart.

By Antônio Milena - http://img.radiobras.gov.br/Aberto/index.php/Imagens.Principal.20.0.2004-01-26, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=5148292