Climatologists could evaluate their expectations of the emission on worldwide temperatures.
The action of Ancestral Pinatubo appears to have started around 1.1 million years prior and presumably finished a huge number of years or more before the introduction of "present day" Pinatubo. A significant part of the tough land around the present spring of gushing lava comprises of remainders of "hereditary" Pinatubo. It was an andesite and dacite stratovolcano whose eruptive movement was substantially less hazardous than present-day Pinatubo. Its inside was generally where the present well of lava is.
European powers were running out of places to colonize in africa, while trade in East Asia was becoming more and more profitable, but the cost in time and money of traveling all the way around africa and through the india ocean (or the long trek down the silk road) was hampering European profits off of trading. So the Spanish sent Columbus to find a shorter root to Asia. Columbus didn't set out looking for America, it was just a happy accident.
Because they tried to win that was they doing difficulties things .
In 390 BCE the Gauls under their leader Brennus attacked Rome. In the battle of Allia 390 BCE Gauls defeated Roman army. After that they attacked the city of Rome. The Romans retreated to the Capitoline and watched the destruction of their city. The Gauls burned Rome and left only after being payed 1,000 libres in gold.
Answer: An invasion by the Gauls.