Consider the topic of the "American Politics in Comparative Perspective" feature. In parliamentary systems, both the prime minister and the Cabinet are ultimately
accountable to parliament. In the U.S., the executive and legislative branches are
separate and co-equal. What are the major advantages and disadvantages of each
system?

The Western Roman Empire was besieged by all of the aforementioned except Carthaginians. For much of its history, Carthage was on hostile terms with the Greeks in Sicily and with the Roman Republic, leading to a series of armed conflicts known as the Greek-Punic Wars and the Punic Wars.