With the intention of selling opium to the Chinese, and in the name of free trade, the British declared war on the Chinese Empire in 1839. Since then, disagreements between nations can be understood as economic disputes. A history of trade wars.
1978
2005
2008
2015
2009
2010
1965
2004
2013
2002
1981
1963
1993
1990
1987
2000
2018