“The struggle for colonies does not result only in cash losses. There were also lives lost, wars fought, and hatreds aroused which threatened new wars. . . .Italy’s trade with her colonies in 1894-1932 was worth 5,561 million lire [about $1,100 million]. This was less than one percent of her total foreign trade in the same period. In fact, her spendings on colonies for that time was 6,856 million lire. Obviously colonies cost more than they are worth in trade.” What evidence does this author provide to show that colonies were a negative financial drain on the Europeans?