Answer:
(i) Albert Einstein left the school in Munich because he hated the school's strict and controlled environment, and often had disagreements with his teachers.
(ii) According to Einstein, Switzerland was more liberal than Munich. Hence, he wanted to study in Switzerland.
(iii) Einstein found in Mileva an ally because she, like him, disapproved of the “philistines” or the people who did not like art, literature or music.