Hmm is that your full question
"The government is less likely<span> to have third parties or minor parties.</span>" Coalition politics takes place when two or more major parties agree on common goals. This makes it less likely that opposing parties will arise because there's less to oppose.
Manifest Destiny shaped what America is today, without those states being settled, we wouldnt have the Bread Basket of the World, for example, today. America would not have been as large as she is today, so who knows where we'd be as a nation? I absolutely agree with O'Sullivan's belief, because without it, America would not have grown into the nation she is today.
Answer:
Social contract, in political philosophy, an actual or hypothetical compact, or agreement, between the ruled and their rulers, defining the rights and duties of each. ... They then, by exercising natural reason, formed a society (and a government) by means of a contract among themselves.