What impact did the Tunisian Revolution have on the Arab world?

Answer:
The last option.
Revolutions throughout the Arab world led to protest against political corruption, economic inequalities and human rights violations.
Explanation:
The Tunisian uprising began as a spontaneous protest against unemployment and the shattered expectations of youth in a growing middle class.
Its Arab neighbors as egyptian and algerian began allowing a greater margin of freedom for public debates and expressions in the social digital channels.