Source #9

1. http://www.answers.com/topic/tiananmen-square-protests-of-1989
2. Answers.com
3. Its credentials are that it has authors information it also has the archive of the newspapers.
4. The site talks about While the movement earned support for its agenda and sympathy abroad through wide international media coverage, the most potent challenge to the legitimacy and authority of the Communist Party since Mao Tse-tung's 1949 victory against the Nationalists was crushed at Tiananmen Square by military force on 3 and 4 June 1989, seven weeks after it had begun. Hundreds of protesters and bystanders were presumed dead, thousands wounded and imprisoned. From documents smuggled out of China and published in the United States, it appears that factional struggles among China's leaders and the fear of international shame delayed military action.
5. and 6. I believe this site because it has exellent credentials also I like this site because it relates to the United States it says that the United State was thinking of making sanctions because of the Tiananmen Square Massacre.