Generally speaking, in towns such as New York and Cleveland and Chicago blacks were heavily discriminated against and forced to live in segregated and discriminatory housing projects.
He reasoned that since parallax could not be observed for celestial objects near the sun, then the earth was stationary. This erroneous assumption was because at the time he had no way of knowing that celestial objects were so far away that their parallax angles were too small to detect.
A, the Manchus who established the Qing Dyansty
I think it was so he had a beter chance of winning