Following world war i, why did congress limit immigration from countries in southern and eastern europe? a) after world war i, the nation's population was at capacity. b) americans were concerned about the spread of the flu epidemic. c) congress was responding to the nativists' calls to "keep america for americans." d) congress wanted to protect african americans from competition for unskilled labor jobs.

Tori is researching for her blog post about how wearing sunblock can prevent skin cancer, and she finds a page about her topic on the united states centers for disease control website at is this a reliable site for tori’s research? yes, because it is presented by a college or university no, because it is a personal opinion about the subject yes, because it is run by a governmental organization no, because it is intended to advertise a certain product