What was Ivan's disability? in the most dangerous game

Ivan is an extremely large, powerful looking man, and he is deaf and mute. Zaroff employs him to assist in the manhunts and to intimidate those who resist being hunted with threats of torture, as Ivan was previously a professional torturer for the Russian Czar.

answer; ///i believe that the correct answer is (d) when each house of congress passes a different version of a bill and those difference must be

"harry t. moore (1905-1951) – civil rights activist, leader, and the first martyr of the civil rights movement. fannie lou hamer (1917–1977) – leader in the american civil rights movement; co-founder of the national women's political caucus and freedom democratic party. james farmer (1920–1999) – congress of racial equality."