China’s relationships with several nations, from the U.S. to India, have soured in recent times. The decline in its ties with Australia has been particularly sharp — and carries risks for both sides. Not so long ago, Sino-Australian relations seemed on a much healthier track. China’s leader Xi Jinping addressed Australia’s parliament in 2014. The two countries got cozier still with a Free Trade Agreement enacted in 2015. Bilateral trade jumped and China continued to invest heavily in Australian resources and other sectors.  But as the global mood towards China darkened, the Australian authorities grew suspicious of Chinese encroachment. Australia became one of the first major countries to effectively ban Chinese telecoms equipment maker Huawei in 2018. A key point in the two countries’ deteriorating relationship came with Australia’s call for an inquiry into the origins of COVID-19 in spring 2020.  China hit back with tariffs on Australian barley in May,