In the first paragraph, the author explains the amount of cows Japan and most European nations test, making the reader recognize that there is a sense of accomplishment for those specific countries and nations. But when the author moves on to paragraph two, the transition used is the word "But". This immediately makes the reader think that there is an under-lying problem or there is a downside to the facts before this paragraph.
There are three degree of comparison: POSITIVE, COMPARATIVE and SUPERLATIVE. In this example the adjective “tall” is in the superlative form. A superlative adjectives describe a noun as having a particular quality that nobody else in a specific group or class has it. A superlative adjective is formed by adding –est.