Alfred Thayer Mahan posited that Naval supremacy was essential for global geo-political strength. The key idea for Mahan was that control of shipping channels would ensure economic and military might. Mahan was largely correct and the implementation of his ideas moved the US into a position of global power.
The period from 1920-29 is often called the 'Roaring Twenties' because it was a time of noise, lively action and economic<span> prosperity. The First World War had been good for American business.</span>
