An increase in Europe’s food supply led to an increase in peasant population. This rise in food supply stemmed mainly from the introduction of potatoe and maize which constituted a better yield of caloric food per acre than other crops. Thus, the population reached 266 million people as starvation was eradicated and as a result the death rate decreased.
It would affect the organisms that eat the rabbits because there would not be as many to eat. And it would affect the organisms that the rabbits ate positively because they don't have as many organisms coming after it.
