First of all... what period? because if you are talking about this time, I think it is becaise they want to feel powerful to be able to have more allied countries in any situation, they also do it because they want to control most of the world natural sources that other countries have.
Australia underwent a population boom because:
Australia was under the British 'empire' during the time. When the British prisons became overcrowded, many of them were shipped to Australia to live there. This increased the amount of people living in Australia exponentially, and eventually cities were founded
hope this helps
Use of machinery with the division of labor reduced the required skill level of workers and also increased the output per worker. The factory system<span> was first adopted in Britain at the beginning of the Industrial Revolution in the late 18th century and later spread around the world. It replaced the putting-out </span>system<span>.</span>
Destroy al qaeda network and other terrorist groups responsible for September 11th attacks by invading strongholds in Afghanistan and Iraq
Brainliest please?