Possibly earthquakes, eruptions, possibilitty, and emotions.
For Congress to declare independence, a majority of delegations would need authorization to vote for independence, and at least one colonial government would need to specifically instruct (or grant permission for) its delegation to propose a declaration of independence in Congress.
The Bataan Death March was a incident during the midst of World War Two. Just after the Battle of Bataan between Filipino and American forces against the Japanese. This Battle was fought in the Luzon island during the Japanese invasion of the Philippines. After the Battle in April 1942 over 80,000 American and Filipino POWs (Prisoners Of War) had to walk from Saysain Point, Bagac, Bataan and Mariveles to Camp O'Donnell, Capas, Tarlac. Many lives were lost due to heat exhaustion, tiredness, execution, etc.
... in response to other persons in leadership in China that Mao thought focused too much on technical expertise and not on ideological purity.
Mao Zedong began the Great Proletarian Cultural Revolution (its official name) in 1966. A big part of the program was the closing of China's schools, because Mao saw the majority of educators as bourgeois types who were failing to support the communist revolution. The Cultural Revolution was an insistence on loyalty to communist party ideology.
The Red Guard was formed, which was made up of high school and college students (no longer attending school, since schools were shut down). These radicalized students became militants for Mao over against those whom he considered not revolutionary enough. The Red Guard destroyed historical artifacts and writings of the of China's former culture. They also attacked persons who were seen to be resisting Chairman Mao's permanent revolution.