Complex sentence: At first Hitler was jubilant, but the Italian reaction surprised and convinced him that he cannot even face a conflict with the powers of Western Europe, officially denied liability stating its regret for the murder of Austrian Prime Minister.
Split into simpler sentences: At first Hitler was jubilant, but the Italian reaction surprised him. Hitler became convinced that he could not face a conflict with the Western European powers, and he officially denied liability stating his regret for the murder of Austrian Prime Minister.