In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

「RWEのNpowerは2003年以降132%関税を増やしたが、2009年に2.7%請求額を減らした。」
"RWE's Npower has increased tariffs by 132% since 2003, but has reduced bills by 2.7% in 2009."

国連の世界保健機関(WHO)は、一般的に豚インフルエンザとしてよく知られているH1N1ウィルスが世界規模で最も強力なインフルエンザ株となったと述べた。
The United Nations World Health Organization (WHO) stated that the H1N1 virus, more commonly known as swine flu, has become the dominant flu strain in the world.

すべては、紛争の結果としてアメリカ合衆国のありうる武装干渉を引き起こすようになっていた。

All intended to cause a possible armed intervention of the United States as a result of the conflict.