To address the representation of slaves in the population, by recognizing only 3/5 of the slave population
To much investment in the stock market and too dependent on the stock market
Answer: 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. The Romans weathered a Germanic uprising in the late fourth century, but in 410 the Visigoth King Alaric successfully sacked the city of Rome.
Explanation:
I would say that the probable order of the cartographic events would be 1) a first attempt at a world map in the 5th and 6th centuries 2) the travels of Marco Polo 3) the Mercator projection in the mid 1500's and finally the 4) Robinson projection in 1963.