What impact did the creation of a Jewish homeland have on Palestinians living in the region?

The history of the Israeli-Palestinian conflict began with the establishment of the state of Israel in 1948. This conflict came from the intercommunal violence in Mandatory Palestine between Israelis and Arabs from 1920 and erupted into full-scale hostilities in the 1947-48 civil war.

Explanation:

Zionism, Jewish nationalist movement that has had as its goal the creation and support of a Jewish national state in Palestine, the ancient homeland of the Jews

At the time, more than 750,000 people were displaced and this caused a big refugee crisis due to the fact that the Palestinians were expelled from their homes and a lot of villages were left vacant.