Answer:
B. act or move at high speed.
Explanation:
The term hasten is derived from the word <em>haste, </em>which means to make something happen quickly. The word hasten is a verb, extended from the word haste and added with the pattern of verb '-en.'
Therefore, hasten means to <em>act or move at high speed </em>or to be quick on doing something, or move fast.
Thus option B is correct.
Explanation:
Baldwin talks of a "disease" which afflicts black Americans and can wreck race relations and creating a "rage in the blood" so he is using the "disease" as a metaphor for probably the rage that black Americans have for experiencing the inequalities of life in the US especially in the 1960's when the civil rights movement was so strong and segregation was so strongly practiced in the South still.