Complex sentence: Ashur-dan II concentrated on rebuilding Assyria within its natural borders, from Tur Abdin to the foothills beyond Arbel, he built government offices in all provinces, and as an economic boost, provided ploughs throughout the land, which yielded record grain production.
Split into simpler sentences: Ashur-dan II would concentrate on rebuilding Assyria within its natural borders, from Tur Abdin to the foothills beyond Arbel. He built government offices in all provinces, and as an economic boost, provided ploughs throughout the land, which yielded record grain production.