Explain the effects that the Iron Curtain had upon Europe in the years after 1955

You mean besides splitting Germany in half??

http://www.google.com/webhp?rlz=1C1GGGE_enUS379US379&sourceid=chrome-instant&ix=seb&ie=UTF-8&ion=1#hl=en&rlz=1C1GGGE_enUS379US379&output=search&sclient=psy-ab&q=iron%20curtain's%20effects%20on%20europe&oq=&aq=&aqi=&aql=&gs_sm=&gs_upl=&gs_l=&pbx=1&fp=1d56d48badd02f22&ix=seb&ion=1&bav=on.2,or.r_gc.r_pw.r_cp.r_qf.,cf.osb&biw=1366&bih=643