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After a day of demonstrations against pass laws, a crowd of about 7,000 protesters went to the police station. The South African Police opened fire on the crowd, killing 69 people and injuring 180 others. Sources disagree as to the behaviour of the crowd; some state that the crowd was peaceful, while others state that the crowd had been hurling stones at the police, and that the shooting started when the crowd started advancing toward the fence around the police station. There were 249 casualties in total, including 29 children. Many were shot in the back as they fled.
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The Islamic empire extended into North Africa.- C)
The gold-salt trade brought Islamic Arabs into western and southern Africa. - D)
The answer is Gold Standard Money. Gold Standard Monet refers to the value of a nation's paper money has a direct link to gold. Paper money of a country can be converted into gold in any case, if the government is willing to convert it into gold.