Answer:
A. He conducted a census to use as a basis for fairer taxation.
C. He allowed cities and provinces a great deal of self-government.
This plan was called the "Open Door Policy". This policy was proposed by the USA in 1899. Under this, all western nations would have equal opportunities to trade in China. Thiss was in support of Chinese territorial and administrative integrity. It lasted for 40 years and it became the foundation for the American foreign policy in East Asia at that time.
Answer: I think the answer is B :)
Explanation:
Since he defeated Persia, even out numbered by 2:1, Alexander marked the end of the Persian army.