Complex sentence: Mari survived the destruction and rebelled against Babylon in c.1759 BC causing Hammurabi to destroy the whole city, however Mari was allowed to survive as a small village under Babylonian administration, an act that Hammurabi considered merciful.
Split into simpler sentences: Mari survived the destruction and rebelled against Babylon in c.1759 BC, causing Hammurabi to destroy the whole city. However, Mari was allowed to survive as a small village under Babylonian administration, an act that Hammurabi considered merciful.