Anyone who knows anything about international politics should know that the decisive factor affecting relations between states is the interests of States. No matter how close the previous relationship between two countries, once the actions of one party affect the interests of the other, then the two countries will immediately turn against each other.
China and the Soviet Union are a pair of clear examples, the Soviet Union and China are both socialist countries, after the founding of New China, capitalist countries began to resist and oppress New China at the request of the United States, which plunged China into a very serious international crisis. Fortunately, the Soviet Union, the big socialist brother at that time, extended a helping hand to China in time.
And helped China through one difficulty after another, so that soon after the founding of New China, China began to fall unconditionally to the socialist camp. The Soviet Union also knew that the improvement of China's international status and comprehensive national strength could also help the socialist camp to defeat the capitalist camp, so it did everything it could to help China develop.
Even the important domestic secrets and technologies at that time were promised to be shared with China, which shows how close the relations between China and the Soviet Union were at that time, and chairman Mao's first overseas visit was also to choose the Soviet Union, so the sino-Soviet relations were an important factor in ensuring that China could obtain a stable international environment soon after its establishment.
But with stalin's death, sino-Soviet relations changed subtly after Khrushchev came to power, because Khrushchev believed that China embarked on the path of rapid development with the help of the Soviet Union, so China should meet all the demands of the Soviet Union. The Soviets wanted to build military bases in China's Hainan region.
However, if the Soviet Union was allowed to do so, it would expose all aspects of China's military construction to the Soviet Union and pose a great threat to China's sovereignty and security, so Chairman Mao rejected Khrushchev's unreasonable demands, which made Khrushchev very surprised and angry. It was also after this incident that the relationship between China and the Soviet Union began to crack.
With the occurrence of the Treasure Island incident, Sino-Soviet relations deteriorated rapidly, in fact, not only the Soviet Union, China's relations with many countries have undergone a process from good to bad, such as Vietnam, which is also an Asian country with China and has a territorial border, Vietnam was still a French colony after the founding of New China, in order to be able to establish an independent country, Vietnam was forced to ask the Chinese government at that time for help. China has also been very generous in helping Vietnam build its own country. Then the United States launched the Vietnam War, seeing that there was no way to resist the powerful offensive of the United States, Vietnam once again turned to China for help, and China also helped Vietnam to drive out the American invaders.
Logically, China can be regarded as a great benefactor of Vietnam, but Vietnam colluded with the Soviet Union after the deterioration of Sino-Soviet relations, and also fought a month-long war with China, that is, a self-defense counterattack against Vietnam. In 1978, Deng Xiaoping decisively halted Chinese government aid to Albania, preventing the emergence of a second Vietnam.
At the same time, it also guaranteed China's own interests, why China provided Albania with more than 20 years of aid after 1960, and why it suddenly stopped in 1978. After the complete rupture of Sino-Soviet relations in 1960, when most of the socialist countries were on the side of the Soviet Union, only Albania was firmly behind China.
It is precisely in order to repay Albania's support that China will do everything it can to provide Albania with more than 20 years of assistance. The assistance of these more than 20 years includes not only economic assistance, but also scientific and technological, cultural, military and other assistance. By 1978, China had helped Albania build 23 basic projects.
Among them, the aid of grain reached 1.8 million catties, and the total population of Albania at that time was less than 2 million, so with the help of China, every Albanian could get nearly a thousand kilograms of grain, but this was exchanged for Albania's insatiable demands and betrayal
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But it is undeniable that in the process of helping for more than 20 years, Albania has also brought a lot of favorable help to China, the most important of which is that since 1961 Albania has called on surrounding countries to help China return to the United Nations, and successfully brought China into the United Nations in 1971.
It has to be said that in this matter, Albania absolutely has a credit, for which China specially handed over the most advanced J-6 fighter production technology at that time to Albania, but after Albania received China's assistance, instead of being grateful to China, it demanded more and more excessively, and at the same time claimed to the outside world that China would be its main enemy in the future.
Summary: So Deng Xiaoping officially halted all aid to Albania in 1978, preventing the emergence of a second Vietnam.