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Zach,20 months,recently started using first-person pronouns.His mother is somewhat concerned that Zach constantly asserts his rights to objects,shouting,"Mine!" Even when playing with his brother,Zach doesn't want to share toys,instead insisting that everything is "mine." What does Zach's behavior show about his emotional development?
Johannes Gutenberg
The inventor of the mechanical movable-type printing press in the 15th century, which played a crucial role in the development of the Renaissance, Reformation, and the Age of Enlightenment.
Printers
Machines or devices used to reproduce text and images from a template, playing a crucial role in mass communication and dissemination of information.
Ottoman Empire
A vast, multi-ethnic empire founded in the late 13th century by Osman I, which at its peak spanned Southeast Europe, Western Asia, and North Africa before its dissolution after World War I.
Three-Field System
An agricultural practice where farmland was divided into three sections, with different crops rotated annually to manage soil fertility.
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