Final answer:
Israel's current political boundaries are determined mainly by historical events and conflicts, as well as international agreements and treaties, rather than natural geographic features or religious beliefs.
Step-by-step explanation:
The cause of Israel's current political boundaries is primarily the result of historical events and conflicts and international agreements and treaties. Significant historical events include the establishment of Israel in 1948, subsequent wars such as the Six-Day War in 1967, and ongoing disputes over territories like the Gaza Strip and the West Bank. International agreements, like the 1947 UN Partition Plan and various peace accords, have also shaped the current boundaries. However, these boundaries are still a matter of contention, influenced by the larger context of Jewish and Palestinian claims to the land, the status of Jerusalem, and international diplomacy.
Natural geographic features do influence political boundaries around the world, such as the Rio Grande forming part of the border between the United States and Mexico. However, in Israel's case, these natural features are less significant in determining political borders compared to historical and treaty-based factors.
Religious beliefs and cultural practices are deeply intertwined with the identity of the region and do contribute to the conflict, yet they are not direct causes of the current political boundaries. These boundaries have been determined more by political decisions and less by the physical geography or cultural demarcations.