8, 9. Beginning in the late 19th century, what important role did Brother Russell play?
فِي أَوَاخِرِ ٱلْقَرْنِ ٱلتَّاسِعَ عَشَرَ ،‏ سَعَى تْشَارْلْز تَاز رَصِل وَبَعْضُ أَصْدِقَائِهِ إِلَى رَدِّ ٱلْمَسِيحِيَّةِ ٱلْحَقَّةِ .‏