What country was formed to give a home to hundreds of thousands displaced Jews after World War II?

Palestine

Explanation:

After WWII, there were still many people who survived, and Palestine gave them space to live, I hope this helps!

That country is Israel.

Explanation:

After WWII, there was an urging challenge to give a homeland to the Jewish people who had suffered repression and extermination during the Holocaust in Europe.  The United Nations issued a resolution calling for the creation of two states in the British Mandate of Palestine after its expiration. So, the Jews accepted the UN resolution and proclaimed the State of Israel in 1948. The Arabs refused to accept the two-state solution and war ensued.

the roman empire began to fall