Former South Korean comfort women, who were forced to become sex slaves by Japanese soldiers during World War II, chant anti-Japanese slogans at a protest in front of the Japanese embassy in Seoul March 7, 2007. Japanese Prime Minister Shinzo Abe, seeking to bolster support within his conservative base, has stirred anger in China and South Korea by appearing to question the state's role in forcing women to be sex slaves for its soldiers during World War Two. The yellow sign reads 'Apologize to us on your knees'.[Reuters]

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