Complex sentence: In the course of the 1927 survey, Saya San changed his focus, inspiring peasants to resist British forces in an attempt to resist the British Administration and its tax policies in particular.
Split into simpler sentences: In the course of the 1927 survey, Saya San changed the focus of his work and began inspiring the peasants to resist British forces. This was an attempt to rebell against the British Administration and its tax policies in particular.