What was the spoil system? A)Jackson took land and treasures from native tribes
B)Jackson spoiled the presidency for those who would come after
C) Jackson rewarded people with government appointments
D) Jackson removed all the corrupt government officials

C Jackson rewarded people´s votes for goverment appointments to office.

the navigation act prevented the colonies from exporting to countries other than britain and it prevented the importation of goods by other countries as well. so i believe the correct answer is d. other nations could not deliver goods to the colonies.

hope this .

b, the anti immigrant fervor