Forum Romanum
Outlines of Roman History: Supremacy of Rome in Latium
By the end of the Roman monarchy, Rome had incorporated many cities into the Latin League, a military alliance. This was the beginning of Roman expansion into all of Italy.
Other
Roman Foreign Relations to 70 b.c.
A discussion that covers how Rome interacted with other groups/kingdoms during its history. A number of wars are mentioned such as the Punic Wars between Rome and Carthage.