Red wine generally keeps well for up to 3 days after which the wine will start to turn into vinegar (i.e. sour and unpalatable). What causes opened wine to go bad is oxydation aka continuous exposure to oxygen. You can slow down this process by using a wine pump to remove excess air from the bottle.
For the fall of Rome, it was the Huns invading from the east that caused the domino effect, they invaded (pushed into) the Goths, who then invaded (pushed into) the Roman Empire. The fall of the Western Roman Empire is a great lesson in cause and effect.A cause leads to an effect.or the fall of Rome, it was the Huns invading from the east that caused the domino effect, they invaded (pushed into) the Goths, who then invaded (pushed into) the Roman Empire. The fall of the Western Roman Empire is a great lesson in cause and effect.
While the Vikings had the runic alphabet, they didnât have written history. Thus, we donât know exactly why the Vikings began raiding in A.D. 793.Scholars have many theories about the reasons why the Scandinavians began leaving home on extensive raids, trading missions, explorations and settlement, which include: population pressures and not enough good farmland.ost scholars today agree that the population pressure theory doesnât hold weight. As the Viking Age raids and trading brought more wealth into Scandinavian, the growing prosperity might have led to greater population growth. But a burgeoning population probably wasnât a cause of the Viking Age.