While the old prememant ownership thing has gone out of fashion, maybe we could have something like a 20 year lease where the Brits go in again and bring law and order? This kind of thing https://en.wikipedia.org/wiki/Anglo-Egyptian_Sudan
A foreign intervention isn't necessarily a bad idea but doing it effectively would be far more complex than you imagine.
Amrtya Sen "Nobel" in economics was related to this.
https://en.wikipedia.org/wiki/Timeline_of_major_famines_in_I....