he is a biologist and a nutuarlist
Triple Alliance - Germany, Austria-Hungary, and Italy
Triple Entente - France, Russia, and Great Britain.
Coal and wood are two sources which had been used extensively since the 18th century. when steel was commercialized heavily using the Bessemer Proces later at the 19th century. At this time, petroleum became the major energy source of energy and was even used extensilvely in other processes as converting petroleum to fuels.
For the answer to the question above, it is the root of the aspect of what they call "federalism" within the country’s government system, it means that although power is shared between the federal government and the states, the federal government reigns supreme.
