A student can find out about the core skills exemplified by the relationship between cause and effect with an Ishikawa or fishbone diagram which is a visualization diagram tool for deciding on the potential causes of a problem to help identify its root causes.
The 1920s were a unique time in the United States in the sense that it was a time of great economic prosperity and also great social woe. What led to this tension was a mix of rising immigration levels and and irresponsible attitude towards money and spending.
The following scenario which would most likely cause the country's literacy rate to decrease would be if A) Libya is torn by civil war. This would cause the literacy rate to decline, because if there is civil war, schools are shut down and it is unsafe for children to go to school, so their education is halted. This ties into the literacy if schoolchildren have their daily reading and writing learning halted.
