# data[].attributes.headline
Write down a list of the major characteristics that the author thinks are common to empires. 

# data[].attributes.subject
Write down a list of the major characteristics that the author thinks are common to empires. 

# data[].attributes.headline
What reasons does the author give for early states forming empires? What advantages did those early states have?

# data[].attributes.subject
What reasons does the author give for early states forming empires? What advantages did those early states have?

# data[].attributes.headline
How does the author explain the power dynamic of the core’s control over the periphery?

# data[].attributes.subject
How does the author explain the power dynamic of the core’s control over the periphery?