She was the First Lady. Children wrote to her for support and guidance during The Great Depression.
They were. Around that time there were issues between Russian Orthodox Christians and Muslims who were found in their south because of the Ottoman Empire. There were also insurgencies of Orthodox Christians in Ottoman controlled territories in former Slav areas.
The correct answer is the last one, to protect them and their land.
Vichy Government
The government was based from the southern french spa town of Vichy. It was a term of surrender following the German invasion of France, the Germans controlled northern france including Paris.
Hope I helped and please rate my answer :)