Interventionism is "governmental interference in economic affairs at home or in political affairs of another country." A government with a foreign policy of interventionism is one that would oppose isolationism.
Multilateral interventions that include territorial governance by foreign institutions also include cases like East Timor and Kosovo, and have been proposed (but were rejected) for the Palestinian territories.
In Japan, Abenomics was a form of intervention with respect to Prime Minister Shinzo Abe's desire to restore the country's former glory in the midst of a globalized economy.
Examples of foreign military intervention include the First Opium War (1839–1842) and Second Opium War (1856–1860) in China Qing dynasty tried to stop the British smuggling opium into coastal parts of China. The British Empire, driven by Adam Smith's free trade and by its loss of profits, responded with military intervention to force the Qing dynasty into signing the unequal treaties: the Treaty of Nanking and the Treaty of Tianjin.