One of the main reasons that the Three Gorges dam was built was to prevent flooding further downstream. The need for a dam was highlighted in 1954 when people were killed as a result of flooding of the Yangtze River.
Arab Spring refers to the democratic uprisings that arose independently and spread across the Arab world in 2011. The movement originated in Tunisia in December 2010 and quickly took hold in Egypt, Libya, Syria, Yemen, Bahrain, Saudi Arabia, and Jordan.
As shown in Table 8, areas of Jewish settlement had a growth of 57% in Arab population between 1931 and 1945, while in those with few or no Jewish settlers, the growth of Palestinian Arab population was 27% in that period. Overall, the Palestinian Arab population grew by 42% from 1931 to 1945.