Passage: Japan has diplomatic relations with nearly all independent nations and has been an active member of the United Nations since December 1956. Japan is a member of the G7, APEC, and "ASEAN Plus Three", and is a participant in the East Asia Summit. Japan signed a security pact with Australia in March 2007 and with India in October 2008. It is the world's fifth largest donor of official development assistance, donating US$9.2 billion in 2014. In 2017, Japan had the fifth largest diplomatic network in the world.Japan has close ties to the United States. Since Japan's defeat by the United States and allies in World War II, the two countries have maintained close economic and defense relations. The United States is a major market for Japanese exports and the primary source of Japanese imports, and is committed to defending the country, having military bases in Japan for partially that purpose. After Japan's defeat in World War II, the Japanese-ruled Northern Mariana Islands came under control of the United States.Japan contests Russia's control of the Southern Kuril Islands (including Etorofu, Kunashiri, Shikotan, and the Habomai group) which were occupied by the Soviet Union in 1945. South Korea's control of Liancourt Rocks (Japanese: Takeshima, Korean: Dokdo) are acknowledged, but not accepted and are claimed by Japan. Japan has strained relations with the People's Republic of China (PRC) and the Republic of China (ROC) over the Senkaku Islands; and with the People's Republic of China over the status of Okinotorishima.

Question: Australia and Japan signed which document in 2007?
security pact