According to the graph, we can say that <span>
Nigeria was generating greater revenue from oil in 1990 compared to previous years. </span><span>If we look on the table, we can see how the oil industry has covered more of the economy, so if it went down, Nigeria would get in serious economical problems.</span>
Slaves were forbidden to leave the owner's property unless they were accompanied by a white person or had permission so in other words to keep them in check.
... in response to other persons in leadership in China that Mao thought focused too much on technical expertise and not on ideological purity.
Mao Zedong began the Great Proletarian Cultural Revolution (its official name) in 1966. A big part of the program was the closing of China's schools, because Mao saw the majority of educators as bourgeois types who were failing to support the communist revolution. The Cultural Revolution was an insistence on loyalty to communist party ideology.
The Red Guard was formed, which was made up of high school and college students (no longer attending school, since schools were shut down). These radicalized students became militants for Mao over against those whom he considered not revolutionary enough. The Red Guard destroyed historical artifacts and writings of the of China's former culture. They also attacked persons who were seen to be resisting Chairman Mao's permanent revolution.
The Torah
I hope this answers your question
They are called entrepreneurs