Unity between the countries for each to work together.
This region was also politically unstable as there were different ethnicities and there was also rising nationalism in the region. Nationalism brought about tensions. There was also rising Serbian nationalist groups. Combined with the brinkmanship of the European Powers the area became a fuse to the powder keg that Europe had become. The Balkans has strong Cultural, Religious, and language ties to the surrounding Empires but they were in small pockets making nation building difficult.
Gandhi took the religious principle of ahimsa which means doing no harm, common to Buddhism, Hinduism and Jainism and turned it into a non-violent tool for mass action. He used it to fight not only colonial rule but social evils such as racial discrimination and untouchability as well.
The answer is allowing privileges such as freedom of the press<span />