Because with out there flying machine we wouldn't have aviation
Following the German invasion of Poland on September 1, 1939 hundreds of thousands of Jews and other Polish citizens fled eastward ahead of the advancing German army; many refugees found at least temporary safety in Lithuania. Options for escape were limited and required diplomatic visas to cross international borders. One route was through Asia using a combination of permits issued by foreign envoys responding to the refugee crisis: a bogus visa for entrance to the Dutch Caribbean island of Curaçao and a visa for transit through Japan.
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.
Harry S Truman is your answer
That it is the right of the people to abolish any government that harms the most basic rights which are Life, liberty, and the pursuit of happiness.
