The first was the great bubonic plague which happened in 1665. This was the last great epidemic of the plague which swept through London and killed over 100 000 people which was more than 20% of the population of the time. It also swept through many parts of Southern England and killed even more if we count those victims too.
The second was the Great Fire of London which happened less than a year later in 1966. The fire was so huge that it burned down the homes of approximately 70 000 people, which is important because the whole population of the city was 80 000. Over 13 000 houses were burned to the ground as well as almost a 100 churches.
Global Warming, is the answer
India was an excellent trading spot. Many merchants from different countries came and traded with Britain, which in turn brought Britain more money.
The main argument in support of the decision to use the atomic bomb is that it saved American lives which would otherwise have been lost in two D-Day-style land invasions of the main islands of the Japanese homeland