Which countries supplied weapons to Ethiopians, who were rebelling against Italy?

France and Russia

Explanation:

From 1895 until 1896, Italy and Ethiopia (supported by France and Russia) fought the First Italo-Ethiopian War. It emerged from the contested Wuchale Treaty that, according to the Italians, converted the nation into  Italian protectorate.

The Ethiopians were overwhelmingly numerically superior during the battle, well-armed with modern weapons, and supported by France and Russia with recruits, military advisors, army preparation, and weapon sales. Italy, by contrast, was a young nation, mainly poor, and equipped with antique weapons