A major motivation behind the United States’ decision to purchase Alaska was the established seal fishery industry in the territory promised economic benefits.
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Lincoln considered slavery to be both a moral and economic evil, and he wished that it would be abolished. His main priority, however was preserving the Union, even if this meant keeping slavery as an institution.
Answer:
observation
Explanation:
I'm not totally sure but from using context clues it seems like that.
more jobs were available in the West
there was plenty of cheap land
peace had been made with Indians
travel to the West was easy
peace had been made with Indians
travel to the West was easy