Answer:
GOD / GOLD / GLORY (and territory)
Explanation:
Conquistadors hopes to gain gold and natural resources they lacked at home, to convert the "savages (aka natives)" to Christianity and to gain glory/recognition for their explorations
The achievements of the expedition included the European discovery of Alaska, the Aleutian Islands, the Commander Islands, Bering Island, as well as a detailed cartographic assessment of the northern and north-eastern coast of Russia and the Kuril Islands.