berlin weeks chancellor angela merkel endure taunt whistle whenever venture campaign trail home region eastern germany sunday voters east incense decision allow hundreds thousands refugees country help send conservatives bad result since 1949 vault far-right party german parliament preliminary result show anti-immigration alternative germany afd win 22.9 percent vote former communist east well national result roughly 13 percent afd perform especially well east german men 26 percent back party merkel christian democrats cdu score 27.6 percent well national result nearly 33 percent five state become part reunify germany 1990. merkel secure fourth term sunday limp finish line must cobble together unwieldy coalition two party business friendly free democrats fdp environmentalist green diametrically oppose view many big issue result suggest pollsters may underestimate linger impact refugee crisis election outsized influence would east voters continue behave differently brethren west 28 years fall wall early month top aide merkel describe east german hecklers small minority suggest refugee crisis long negative factor merkel result sunday suggest otherwise east german voters extreme less loyal traditional party ever since wall fell say hendrik traeger political scientist leipzig appear german television sunday night merkel press decision two years ago allow thousands refugees set foot main train station budapest hungary germany months follow thousands make way across aegean sea greece balkans germany encourage scenes germans welcome migrants food clothe possibly also selfies refugees take merkel go happen autumn 2015 remain convince options discuss time perhaps deploy water cannon german border question merkel say think decision right campaign appearances merkel tell audiences repeatedly influx 2015 would never repeat denounce traitor people numerous campaign events east language would unthinkable refugee crisis merkel grow behind iron curtain town templin north berlin father lutheran pastor socialist lean move family west east shortly merkel bear berlin wall build last german election 2013 merkel conservatives 38.5 percent vote east 10 point good sunday result incense refugees east germans punish eastern merkel