The Philippines (1898), Hawaii (also 1898), Cuba (1898, not annexed but Platt Amendment allowed US free reign to intervene in Cuban affairs. The Panama Canal Zone was an unincorporated territory of the US from 1903 to 1977 and it’s separation from Colombia was accomplished with US warships.
Also, the fact that the US settled the territory it conquered and integrated it into the metrople does not change the fact that it conquered it any more than the fact that Russia did that in Central Asia or Siberia does, or France in Algeria.