South America was mainly colonized by Spain, whose main goal was to spread Catholicism to "save" the native people.
The correct option is D<span>
</span><span>Skilled craftsmen who were being displaced in the new economy</span>
Skilled craftsmen were being replaced by the industrial movement which was able to produce same goods at lower costs.
Changes in voting qualifications and participation, the election of Andrew Jackson, and the formation of the Democratic Party—due largely to the organizational skills of Martin Van Buren—all contributed to making the election of 1828 and Jackson's presidency a watershed in the evolution of the American political system
Although this depends greatly on the project and student in question, the best option from the list would be "<span>D. how naturalization happens," since it is the narrowest and most manageable of the topics. </span>