<span>I think the right answer is "which they reach a certain age." Jean Piaget is a psychologist who studied human development. According to his theory, human development is divided into stages, these stages are achieved due to cognitive maturation during the first years of life. <span>Each stage of development is characterized by more specialized skills, behaviors, and cognitive skills.
I hope my answer can help you.
</span></span>
<span>Arthur was
no beast or monstrous. He was a extremely shy person who ends up being a guardian angel figure for Scout and Jem. He
resembles a man that has been closed in his home for quite a long time however
there is a thoughtfulness and blamelessness about him that misrepresents any of
the silly gossipy tidbits about him that Scout and Jem used to engage in. </span>
Well, for one, Haiti really didn't have anything to offer the United States. No territory. Nothing to trade. Nothing really. But also, the idea of Africans rising up against an oppressive white government and overthrowing them made the United States very nervous, especially since we, at the time, had institutionalized slavery and a culture that was very much steeped in racism. Basically, we were afraid that if we supported the revolution in Haiti, it would encourage our own slaves to revolt against Southern slaveholders.
