Here’s how you can fill in the blanks with the correct words from the word bank:
When an empire falls and leaves no leadership, a power vacuum forms. This is when people fight for control of a specific area.
In Europe and China, after Rome and the Han fell, the laws governing the empires and trade networks collapsed.
In Europe, this led to the rise of local, self-reliant, tribal governments and the early medieval manorial system. When the Han Dynasty fell in China, the empire was split into smaller kingdoms and even smaller independent kingdoms later.
Trade in China remained under threat from regular raids by Mongols and Xiongnu. In Europe, trade was limited to small trade relationships between manors.
Religion was a unifying factor in Europe and China at this time. In China, Buddhism became popular, while Christianity united communities in Europe.
This arrangement effectively uses the provided words to complete the sentences appropriately.