Which answer choice does not explain the dust bowl?

a. the dust bowl was located mostly in the southern part of the united states where the story to kill a mockingbird takes place.

b. the dust bowl added to the problems of the great depression since it displaced many people that relied on farming to provide money for their families.

c. throughout the book, harper lee refers to hardships that the people of may comb are experiencing, such as banks failing and farmers losing their crops and land because of what has come to be called the dust bowl.

d. the dust bowl was located mostly in the desert part of the united states.

Read this excerpt from i never had it made. "it's all that ought to count," he replied. "but it isn't. maybe one of these days it will be all that counts. that is one of the reasons i've got you here, robinson. if you're a good enough man, we can make this a start in the right direction. but let me tell you, it's going to take an awful lot of courage." he was back to the crossroads question that made me start to get angry minutes earlier. he asked it slowly and with great care. "have you got the guts to play the game no matter what happens? " "i think i can play the game, mr. rickey," i said. the next few minutes were tough. branch rickey had to make absolutely sure that i knew what i would face. beanballs would be thrown at me. i would be called the kind of names which would hurt and infuriate any man. i would be physically attacked. could i take all of this and control my temper, remain steadfastly loyal to our ultimate aim? which is the central idea of this excerpt?