premise: Moses died on the journey to the Promised Land, but Joshua took over from him, and between 1400 b.c. and 1000 b.c. the tribes of Israel conquered all the lands north and south of Jerusalem, most famously bringing the walls of Old Jericho tumbling down with the sounds of their horns.
hypothesis: In 1200 B.C., the tribes of Isreal brought down the walls of Old Jericho.