During the 1920's China was undergoing great political and social change. The Republican government under the leadership of Sun Yat-sen struggled against warlord factions and watched the birth of the Communist Party of China (1921). It was a time of turmoil and unrest, as newspapers headlined frightening incidents of murder, banditry, illegal taxation, military skirmishes and plundering. Added to China's problems was the recent appearance on her rivers of boat patrols by foreign governments who vowed to protect their commercial interests at any cost. That presence was an embarrassing, even an insulting situation. Finally, on the eve of 1924, Sun Yat-sen announced that China would look toward Russia for help. China would turn away from the West—particularly Britain, America, France and Germany, all of whom had participated in the division of China into foreign legations and treaty ports after the Opium War (1840–42) and had enjoyed great economic advantages as a consequence.