Which agreements were reached at the Tehran conference? check all that apply

the Allies would open a second front in France

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

when people started to question traditional christian beliefs, they became criminals in the eyes of the church: they were accused of heresy and then, executed. the church held unbelievable power and anyone who tried to defy it or its beliefs, was demonized and persecuted.

mark brainliest and have a stunning day!