They used the technology in conquests to expand the empire.
James Madison is the father of the constitution.
He was the main historic figure who helped draft and ratify the constitution after the articles of confederation had failed. Madison was one of the authors of the federalist papers, that called for a stronger government. This act later helped him become the fourth president of the United States.
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be "the Enlightenment philosopher John Locke," since he was very much a proponent of popular sovereignty and the social contract. </span></span>
I think its:
-Pressure
-Sand
-Gravel
(not sure on the gravel bit)