How did the roman empire support its expansion and integrate culture on three continents

The construction of roads and bridges facilitated trade and communication.

Explanation:

Over time, Romans adapted Greek and Hellenistic achievements, just as the Greeks had once absorbed ideas from Egypt and the Fertile Crescent. The blending of Greek, Hellenistic, and Roman traditions produced what is known as Greco-Roman civilization. During the Pax Romana, trade and travel helped spread this vital new civilization.

labor leaders and organizations had the power to demand it.

explanation:

workers got a five-day workweek because the bcea protects and respect the rights of the employees. labor leaders and other groups demanded it.

a change of venue is the legal term for moving a trial to a new location. a change of venue request because venue is improper means that the removing defendant believes that the case may not be in that venue because it is improper under procedural rules.