c. caused the native americans to o develop immunity to european disease s
The correct answer is B civic duties because Civic duties include, for example, obeying the laws of the country, paying the taxes levied by the government, or serving on a jury or as a witness in court. Civic responsibilities encompass actions like registering to vote and voting, and serving on statutory boards and committees.
Answer: the United States acquired Puerto Rico, Guam, and the Philippines as territories.
