system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Could we change the US-Mexico border by redirecting the Rio Grande River?
gpt
Maybe.

These are the sort of things that cause international incidents where two governments end up in a heated fight over their interpretations. It would, if not agreed upon in advance, certainly strain relations and possibly also strain relations with other countries that take offense on Mexico's behalf.