<span>C) the invasion of Poland
It happened in 1939, before all of the other events.
Hope this helps :)</span>
An empire is an aggregate of many separate states or territories under a supreme ruler or oligarchy.
And Rome or Italian Roma is a city in and the capital of Italy, in the central part, on the Tiber.
So basically, Rome is also an empire, you can call it the Roman Empire.
Answer:
The government built highways that crossed through the states.
Explanation: