From the perspective of world history, for people, the greatest thing is to have self-knowledge, to know their own strengths and weaknesses, so that they can take fewer detours, make fewer mistakes, and get closest to success. For the country, this is even more so, a country, that is, it needs to know how many pounds it has, know its own defects, and cannot be blind, otherwise it will inevitably bring disasters. The most typical is Israel, in fact, Israel also has self-awareness, because it is impossible to annex the Sinai Peninsula, why do you say so? As you might not expect, there is only one root cause.

Now many people evaluate Israel, thinking that Israel is very powerful militarily, technology is also very strong, the economy is even better, and there are nuclear weapons, so Israel is a super small country. And there was once an opportunity to give Israel, to expand its territory, that is, up to 60,000 square kilometers of the Sinai Peninsula, thinking that once Israel annexed the Sinai Peninsula, it would be a country with a territory of 100,000 square kilometers, and with the current strength, Israel would be very strong.
So many people feel regret and unworthiness for Israel, thinking that this is the biggest mistake Israel has made, is this really the case? In fact, Israel was self-aware, because it knew that it could not annex the Sinai Peninsula. There is only one fundamental reason, that is, the "gap with Egypt's national strength."
Israel actually understands very well that no matter how strong its military is, it is actually a land of bullets, with a population of 6 million. Strong is not strong, but Egypt is different, Egypt has a land area of one million, a population of over 100 million, just the army can make tens of millions, and Egypt from Nasser, the influence in the Middle East is extensive. Therefore, once Egypt fights with Israel for the Sinai Peninsula, as Israel, no matter how strong it is, it will not be able to hold on.
Especially once Egypt is desperate, then even if the United States helps, it is useless, just the tactics of the sea of people, Israel is finished. So Israel is soberly aware of this. And when Egypt's new president, Sadat, said he would do whatever it took for the Sinai Peninsula, Israel understood that Israel could not annex the Sinai Peninsula in this lifetime.
Because Egypt's throat is the Suez Canal, if the Sinai Peninsula is lost, the Suez Canal is also finished, so Egypt will not be able to give up if it is killed. Therefore, Egypt has a population of hundreds of millions, the whole country is strong, if it is stuck with Israel, Israel has no chance to develop, and there is no hope of victory.
With Israel's national strength at that time, it was impossible to annex the Sinai Peninsula, and there was basically no hope. It is precisely because of this that Israel was forced to give up, but only in a high posture, and incidentally signed a peace agreement. Therefore, Israel is not stupid, if it could be sure, I am afraid that Israel would not be able to abandon the Sinai Peninsula if it was killed. But because they knew that they were doomed to be unable to annex, it was the best choice to give up voluntarily, and it had to be said that the Jews were still very clever and calculated clearly.
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Reference: Modern and Contemporary World History.