Prime Minister Morrison three years ago said Australia did not need to choose factions between the US and China, but the nuclear submarine agreement showed everything changed.

When becoming an Australian Prime Minister in 2018, Scott Morrison insisted that the country could maintain a close relationship with China, the largest trading partner, while coordinating with the US, an important ally.

However, Australia on August 16 seems to have made a choice.

This agreement will help Australia own modern submarine fleets with the dark technology that the US rarely shared, even with allies.

Nytimes's Damien Cave and Chris Buckley commentators This is Australia's hand betting on the United States that will prevail in the superpowers competition with China and Washington continue to be the force to keep the situation stable in Thai Binh

From the bottom up, US USS Santa Fe submarine moved according to the squad with the submarine HMAS Collins, HMAS Farncomb, Australia's Hmas Dechaineux and Hmas Sheean in February 2019.

It was a moment to decide to Australia and how they thought about their future in the Indian Ocean - Pacific region, Richard Maude, former Australian security officials who are a senior member of the Chau Social Policy Institute

This shows a clear concern in the Government Prime Minister Morrison on the regional security environment that is deteriorating, which China strengthens military capacity and is willing to use enforcement power to pursue national interests

The United States identified the need for a solid alliance to counter-urgent China so that the water level did not hesitate to share malicious and sensitive nuclear technology.

During the press conference on September 16, the Chinese Ministry of Foreign Affairs spokesman summoned that the nuclear submarine agreement between the US and Australia seriously ruined peace and stability in the region, exacerbated the match

The decision to strengthen the strength to an intimate ally in Asia - Pacific shows to increase the tyc course of American efforts to respond to China's rapid military development.

Has Rankin submarine participated in Ausindex 21 drills off the city of Darwin, Australia on September 10.

In the report submitted the most recent parliament, the US Defense Ministry said China owned the world's largest naval force in the number of battleships.

American battleships are usually larger than China.

China asks for a unreasonable sovereignty claim with the majority of the East Sea area, unauthorized accretion of entities in this area and deploying many talented gases, including destroying missiles and air defense missiles.

Experts say after owning nuclear energy submarines, Australia is likely to what these battles patrol the East Sea, where important sea routes pass through, to send messages cannot be confused.

Nothing challenges China than nuclear weapons and submarines.

Prime Minister Morrison on September 16 said the Security Alliance was strengthened with the US and England, including cooperation on artificial intelligence and other new technologies, reflecting Australian needs in the context of motivation appearance

The relatively peaceful environment that we enjoy for decades is drifting into the past, Morrison said.

Has Collins submarine of the Australian Navy.

Some security experts said that China's more rigid retaliatory retaliation, including reduced imports of coal, wine, beef, lobster and barley, and the arrest of two Australian citizens,

Hugh White, defense expert at the Australian National University, said that when competing with China escalated, the United States expected Australia to do many things.

Australia seems to see if it is worth conventional.