Further complicating Chadian-Nigerian relations were territorial disputes around Lake Chad, which had long been a source of tensions.

However, due to pressure from smugglers, President Shehu Shagari ordered Buhari to reopen the border.

The Nigerian troops successfully recaptured the islands, and also pursued the Chadians 50 kilometers across the borders.

Demonstrating President Shagari's powerlessness vis-à-vis his officers, which had enabled Buhari to openly act against orders, it highlighted the tensions between the military and the civilian government.

On 31 December 1983, Muhammadu Buhari seized power in Nigeria, ending the Second Nigerian Republic.