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.
To read about the corresponding movement in America, click here. Defining the exact start of a Zionist movement in the Soviet Union is difficult. To some extent, there were always Jewish standard-bearers, even in the darkest years when, following the birth of Israel in 1948, Stalin set out to decimate Jewish cultural and religious life.