WORLD CIVILIZATION

Detailed explanation-1: -As the value of Roman coins decreased, people began to barter, or to exchange goods instead of money.

Detailed explanation-2: -How did the Romans advance the system of coins first introduced by the Lydians? They minted coins in different denominations with a set value for each.

Detailed explanation-3: -Invasions by Barbarian tribes The most straightforward theory for Western Rome’s collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire’s borders.

Detailed explanation-4: -Architecture From military structures such as forts and walls (including the spectacular Hadrian’s Wall) to engineering feats such as baths and aqueducts, the most obvious impact of the Romans that can still be seen today is their buildings.