This quote illustrates the role of a Commander-in-chief. When the country is invaded or attacked, the president has powers to take <em>critical decisions</em> to deal with the imminent conflict. In the case of any crisis, the president is requesting the congress for <em>similar executive powers</em> in order to wage a war agaisnt the emergency, as if it were a real war.
It is an example of alliteration
Between 1068-1072 there was the threat of rebellion against William however there was no victory for the rebels. Lack of unity among the rebel forces played an important part in the failure of the rebellions; however it acted only as an important emphasis upon the immensity of William's military response
There was the compass and the astrolabe