In world war I. <span>The Germans brought a new technology called machine guns to the battlefront. In world war II they brought out tank to capture other countries and use against the allies. Led By Adolf Hitler </span>
<h3><u>A person who has great responsibilities, such as a king, is constantly worried and therefore doesn't sleep soundly. This saying is a line from the play King Henry the Fourth, Part Two, by William Shakespeare.</u></h3>