Before hannah can leave the house, she must turn all four gas burners on her stove on and off 24 times, each in sequence. she performs this ritual because she does not trust her memory and fears she can't be sure the burners are actually off unless she does this. hannah is demonstrating which cognitive characteristic of ocd?

Disconfirmatory Bias

Explanation:

Hannah show the signs of dis-confirmatory bias as in this case a person starts to doubt his own past beliefs and recheck or re access  their beliefs in order to satisfy their thinking .Performing ritual again  shows she demonstrate the signs of dis confirmatory Bias.  

answer; i believe the best and correct answer is stronger bonds between the nations of africa;

"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."