Conversation so far:
What religion was Sun born with?
CANNOTANSWER.
Did the article say why he was interested in Christianity?
Schriffin writes that Christianity was to have a great influence on Sun's whole future political life.
Is there any other data on his religious views?
Schriffin writes that Christianity was to have a great influence on Sun's whole future political life.

Question: how did his views on christianity affect his politics?
Self-contained rewrite: how did Sun Yat-sen's views on christianity affect Sun Yat-sen's politics?