How did the soviet union respond to the admission of west germany into the north atlantic treaty organizations (nato)?

by boycotting the united nations
by stationing missiles in turkey and cuba
by placing a military blockade around berlin
by creating its own alliance of communist powers

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