Complex sentence: In 1998, McDonald's Israel decided to barbecue their hamburgers on charcoal rather than fry them, which represented a turnaround of the parent company's policy, which previously required uniformity in all the locations.
Split into simpler sentences: In 1998, McDonald's Israel decided to barbecue hamburgers on charcoal instead of frying. This represented a shift in McDonald's policy, which previously required uniformity at all the locations.