"We went to war with Mexico for peace, humanity and honor, yet emerged from the
contest with an extension of territory beyond the dreams of political avarice.
We went to war with Spain for relief of an oppressed people [the Cubans], and
at the close found ourselves in possession of vast and rich insular dependencies
[primarily the Philippines] and with a pretty tight grasp upon the country for
relief of whose oppressed people we took up arms. We could hardly have profited
more had 'territorial aggrandizement' been the spirit of our purpose and heart
of our hope. The slightest acquaintance with history shows that powerful republics
are the most warlike and unscrupulous of nations."
~ Ambrose Bierce, Warlike America
Just like our Mideast wars were really about controlling oil.