The information in the chart shows that B: Ni-geria was generating greater revenue from oil in 1990 compared to previous years.
Information from Chart 
- Shows that Ni-gerian revenue from oil kept increasing over the years. 
- Showed that 1990 saw the highest increase in revenue with 97.24% of government revenue coming from oil. 
This shows that the N-igerian government became heavily dependent on oil and would suffer greatly when oil prices dropped. 
In conclusion, option B is correct. 
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