expansionists

/ɪkˈspænʃənɪsts/
noun
  1. Plural of expansionist; people who support or advocate for territorial or economic expansion.
    • During the 1800s, expansionists dreamed of a coast-to-coast nation.
    • The debate between expansionists and conservationists grew heated.
    • The expansionists in the government pushed for new trade routes.