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.
The first Occupy protest to receive widespread attention was Occupy Wall Street in New York City's Zuccotti Park, which began on 17 September 2011. By 9 October, Occupy protests had taken place or were ongoing in over 951 cities across 82 countries, and over 600 communities in the United States.he report was released just as concerns of the Occupy Wall Street movement were beginning to enter the national political debate. According to the CBO, between 1979 and 2007 the incomes of the top 1% of Americans grew by an average of 275%.