Because the task of anti-imperialist and anti-feudal democratic revolution has not been completed, the democratic revolution has not been completed, imperialism is still rampant in China, and unequal treaties have not been abolished.

On March 1925, 1 1, Sun Yat-sen signed the will of the Prime Minister in Beijing. "The revolution has not yet succeeded, and comrades still need to work hard." This famous saying is not the original words of Dr. Sun Yat-sen, but extracted from his political will.

In March 1925, 1 1, Dr. Sun Yat-sen signed his will before he died and died the next day. The conclusion of Sun Yat-sen's will is a great event for the Kuomintang, which can be seen from the attitude of the Kuomintang towards the will after Sun Yat-sen's death.

Two months after Sun Yat-sen's death, that is,1May 24, 925, the Kuomintang held the third plenary session of the first Central Executive Committee and accepted Sun Yat-sen's will. On May 25th, Sun Yat-sen's will was further accepted as an instruction.

1926 1.4. The acceptance of Sun Yat-sen's will was made a special agenda at the second Kuomintang Congress.

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Although the Revolution of 1911 overthrew the Qing Dynasty and established * * *, it did not completely accomplish the task of opposing imperialism and feudalism. Sun Yat-sen and his comrades continued to fight for the achievements of the Revolution of 1911.

19 17. Sun Yat-sen went south to Guangzhou holding high the banner of protecting the law, established the military government of the Republic of China, and opposed the warlord section; But less than a year later, he was forced to leave Guangdong for Shanghai because of the exclusion of southern warlords and politicians.

1920, Sun Yat-sen once again raised the banner of protecting the law and expelled Guangxi warlords who occupied Guangdong. Chen Jiongming, who held the military and political power in Guangdong, launched a rebellion in June 1922, and Sun Yat-sen was forced to leave Guangdong again.

1923 February, Sun Yat-sen rebuilt the Grand Marshal's base camp in Lu Haijun. In the past two years, in order to consolidate the Guangdong revolutionary base area, the military action of invading Chen Jiongming was organized; In order to realize the great cause of reunifying China, he moved to Shaoguan and organized the Northern Expedition.

In the meantime, he accepted the help of Soviet Russia and China, completed the reorganization of the Kuomintang in China, held the first congress of the Kuomintang, and launched a vigorous national revolutionary movement. Unfortunately, the revolutionary cause was not completed, but Dr. Sun Yat-sen died of illness.

References:

Baidu Encyclopedia-The revolution has not yet succeeded, and comrades still need to work hard.