 Sheikh Tamim has prioritised improving the domestic welfare of citizens, which includes establishing advanced healthcare and education systems, and expanding the country's infrastructure in preparation for the hosting of the 2022 World Cup.Qatar participated in the Saudi Arabian-led intervention in Yemen against the Houthis and forces loyal to former President Ali Abdullah Saleh, who was deposed in the 2011 Arab Spring uprisings.The increased influence of Qatar and its role during the Arab Spring, especially during the Bahraini uprising in 2011, worsened longstanding tensions with Saudi Arabia, the neighboring United Arab Emirates (UAE), and Bahrain.