Answer:
Europeans/White people
Explanation:
If it wants an even further answer you could be more specific and describe the different groups of Europeans ie. Aryans, Celts, Fins etc.
Taxes, more specifically: corporate income taxes, payroll taxes, and individual income taxes.
That they now had more territory, a possible soutce of resouces, and that they had a new colony. Also people to possibly enslave or kill