Quad, an alliance of four countries US, Australia, Japan and India to contain China, formed in which year

A. 2012
B. 2007
C. 2020
D. 2018

Explanation:

Rudd’s calculation may have been that as a regional economic power, China was too important to contain through a simplistic Quadrilateral Initiative undertaken by US, India, Japan and Australia in 2007, when many regional powers are hedging their alliances in the event of a Japanese and an American decline.