Why was the timing of Rudyard Kipling's poem in 1899 significant within the historical context of the period?

Why do scholars believe that atlantis was a ficitonal place created by plato

What caused the american indians to relocate in the late 1600’s,

What was piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation? a) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation b) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless c) preschool children's neural-visual network is not fully matured d) preschool children have not lived long enough and accrued enough experience to know the difference between quantities