Objects known as oracle bones, which were inscribed and heated to reveal an answer from ancestors regarding issues such as the weather and military campaigns, were used by which ancient chinese dynasty?

The Shang dynasty
Oracle bones are pieces of ox scapula or turtle plastron, which were used for pyromancy – a form of divination – in ancient China, mainly during the late Shang dynasty.The Shang Dynasty was a period of time in China that began in 1600 BC and lasted to 1046 BC. It is  known for among other things the oracle bones, technological advancement, and sophisticated craftsmanship in bronze and ceramic.

The social difference that caused sectionalism in the antebellum era would be c.)  north was disorganized. the north had slow population growth, where as the south had mass immigration.hope this really mark