Complex sentence: In 1973, the city welcomed a summit between the Tunisian president Habib Bourguiba and the Algerian president Houari Boumédiène; the latter proposed a constitution for a Tunisian-Algerian union which Bourquiba declined in favor of the development of economic cooperation between the two countries.
Split into simpler sentences: In 1973, there was a summit meeting here between the Tunisian president Habib Bourguiba and the Algerian president Houari Boumédiène. The latter proposed a constitution for a Tunisian-Algerian union which Bourquiba declined in favor of the development of economic cooperation between the two countries.