Answer:
During the Kansas territorial period, four attempts were made to write and adopt a constitution under which Kansas would become a state. The first attempt to write a constitution emerged as a movement — the Topeka movement — in reaction to unfair elections that gave the proslavery party initial control of Kansas' territorial government.
Explanation:
It was controversial because it contained elements and symbols that could be ascribed to communism, and since he believed in them and supported them this became a controversial subject. Especially since Rockefeller was quite the opposite of what communism stands for.