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.

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".

soviet influence spread across eastern europe sharply during and after wwii. the soviet armies liberated the countries in eastern europe and occupied them from the germans as they were forced to retreat towards germany.