What is the author’s main purpose in the first section of the article(The Changing Face of America)?

What is the best meaning for obscure in this line from the passage? a) ancient b) dark c) royal d) unknown

In the following sentence which word is abstract noun quincy insisted that each one of his teammate members demonstrate loyalty members team quincys loyalty

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"