What is the primary purpose of this excerpt from president john f kennedy inaugural address as it relates to the speech as a whole

Laura is writing a report about the natural resources of mississippi. she will collect information about the natural resources from many different sources. one will be a multimedia encyclopedia. when she searches for information in a multimedia encyclopedia, she finds four results. three of the results will laura, but one will not her. which of these articles will not laura write her report? a) "the oil of mississippi" b) "the timber of mississippi" c) "the politics of mississippi" d) "the natural gas of mississippi"

American history (is, are) studying the american colonies.

Which is it? the desert is than the mountains? 1. drier 2. more dry