What happened to the eastern empire? a) it remained strong for several centuries b) it was defeated by the mongols c) it became part of the assyrian empire d) it became apart of russia

The information box says that the han added 4,000 miles of wall.refer to the mileage scale.how can this be true?

Over time, historians have changed the ways they study the past because they have: o a. emphasized the study of oral history passed down in communities for generations. o b. started to explore history through the perspectives of many different groups. c. focused on uncovering archaeological evidence rather than analyzing documents. d. largely abandoned studying comparative and cultural history in favor of microhistory.

China’s agriculture policies during the great leap forward led to