Answer:
Leaders of three countries were forced out of power.
Step-by-step explanation:
The Arab Spring was a wave of protests that spread across the Arabic-speaking countries in North Africa and the Middle East such as Tunisia, Egypt, Libya, and Yemen.
It all started in Tunisia, with the population uprising Tunisia's president Zine al-Abidine Ben Ali fled to Saudi Arabia and left power after 23 years.
After that, Arab Spring spread to Egypt, the protests forced Mubarak out of office after 30 years.
Yemen also killed their president Ali Abdullah Saleh during this period.