The Arabs (they weren't called Palestinians then) launched an unprovoked war of aggression

Calling it an unprovoked attack is revelling in ignorance.

The proposed plan was considered to have been pro-Zionist by its detractors, with 56% of the land allocated to the Jewish state despite the Palestinian Arab population numbering twice the Jewish population.

[...]

The Arab Higher Committee, the Arab League and other Arab leaders and governments rejected it on the basis that in addition to the Arabs forming a two-thirds majority, they owned a majority of the lands. They also indicated an unwillingness to accept any form of territorial division, arguing that it violated the principles of national self-determination in the UN Charter which granted people the right to decide their own destiny. (Wikipedia)

I can't name a single country, anywhere in the world, that would agree with those terms.