https://mosaicmagazine.com/essay/israel-zionism/2017/11/who-saved-israel-in-1947/
After all, the Jewish people has been closely linked with Palestine for a considerable period in history. Apart from that . . . we must not overlook the position in which the Jewish people found themselves as a result of the recent world war. . . . The solution of the Palestine problem into two separate states will be of profound historical significance, because this decision will meet the legitimate demands of the Jewish people, hundreds of thousands of whom, as you know, are still without a country, without homes, having found temporary shelter only in special camps in some Western European countries.
The Soviet Union voted “yes” for partition, as did its satellites Belorussia, Ukraine, Poland, and Czechoslovakia. (Yugoslavia, another satellite, abstained.)
“They saved the country, I have no doubt of that,” Ben-Gurion would say two decades later. “The Czech arms deal was the greatest help, it saved us and without it I very much doubt if we could have survived the first month.” Golda Meir, in her memoirs, similarly wrote that without the arms from the Eastern bloc, “I do not know whether we actually could have held out until the tide changed, as it did by June 1948.”
It was a mistake, but their policy towards Israel changed after realizing what it was about. The USSR even fought a war against Israel, and supported Nasser.
After creating a de facto fascist entity its difficult to rectify the mistake.
The USSR wasn't the one that created it
They saved the country, I have no doubt of that,” Ben-Gurion would say two decades later. “The Czech arms deal was the greatest help, it saved us and without it I very much doubt if we could have survived the first month.” Golda Meir, in her memoirs, similarly wrote that without the arms from the Eastern bloc, “I do not know whether we actually could have held out until the tide changed, as it did by June 1948
Helping out Israel during Arab decolonization is de facto creating the Israel state . Also , USSR was the first one to recognize Israel as de jure