阅读下而材料．在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
Alan: Racial prejudice continued to be exercised by the authorities long after the end of the slavery   and the         (liberate) of slaves in the United States of America. You only have to look  into this case to see      I mean.
Gina: So what's the ease about?
Alan: It's about a handful of black teenagers accused      robbery
Gina: How did they come to be accused?
Alan: Some white teenagers said they had been attacked by black teenagers and the police    were  looking for them stopped a train and searched it. They and several other black and white      people on board were found riding the train without    (possess) tickets. Two of the          white women swore that they     (rob) of their cash and chequebook by these boys.
Gina: Then what happened?
Alan: They were arrested and sentenced to death
Gina: So what was the problem?
Alan: At first they were kept under high security and not allowed        (see) lawyers. When they  were finally tried, the jury(陪审团）  was all white and so was       judge. 
Gina: They still might have been guilty.
Alan: No. One of the women later admitted she had lied Despite this, only four of them were
released. By then, they had spent six years in prison. The    were either sent to jail forseventy five years or sentenced to death.
Gina: So what happened? Was there a happy en ding?
Alan: Not really. In the end none of them spent less than ten years in prison. Twenty four years later.  only long after they had all died, were all of them (final) pardoned.