For info on Angela Gallagher death see:
http://www.nuzhound.com/articles/irish_news/arts2007/sep10_plaque_unveiled_child_shot_IRA_1971.php
From a long term project in Belfast, Northern Ireland, documenting the Nationalist (Catholic) and Unionst (Protestant) communities of the Falls and Shankill areas. These two roads are a microcosm of the Troubles in Northern Ireland, and run parallel to each other, divided by a large Peace Line.
http://en.wikipedia.org/wiki/The_Troubles
For more info on Peace lines see:
http://en.wikipedia.org/wiki/Peace_lines
and
http://www.geographyinaction.co.uk/Ethnic%20Diversity/Ethnic_PeaceLines.html
For more info on the Provisional IRA see:
http://en.wikipedia.org/wiki/Provisional_Irish_Republican_Army