Because they rushed the treaty then it later failed.
Answer:
One of the most pressing challenges African states faced at Independence was their lack of infrastructure. ... Rich as many African countries were in cash crops and minerals, they could not process these goods themselves. Their economies were dependent on trade, and this made them vulnerable.
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Answer:
a random sample is where a group looks at the results from lets say a poll, and randomly picks an amount if people to compare results to, lets say they choose the first 40 people to walk through the door this would be a good random sample
Explanation: