Russian oligarch 2004, Putin apparently engaged in a power-struggle with some oligarchs, reaching a "grand bargain" with them. This bargain allowed the oligarchs to maintain their powers, in exchange for their explicit support of – and alignment with – Putin's government. Many more business people have become oligarchs during Putin's time in power, and often due to personal relations with Putin, such as the rector of the institute where Putin obtained a degree in 1996, Vladimir Litvinenko, and Putin's childhood friend and judo-teacher Arkady Rotenberg. However, other analysts argue that the oligarchic structure has remained intact under Putin, with Putin devoting much
The Canon of Judo of Judo", does not contain this information. Furthermore, the original book was translated by K. Sugai whose translations were poor at best. (For example, "Or this is to throw him down by foot sweeping instant before his advanced-feet are fixed in order to change his position or break your balance.") The book gives a brief history of Jujutsu in Japan, and gives the lineage of Judo, referencing Jujutsu masters prior to Jigoro Kano. To show the early origins and continuous development of the martial arts in Japan, a long list of historical text sources, people, and schools and styles are