Examlex
The acquisition of reversibility is a cornerstone of which stage of Piagetian development?
Commerce Clause
The clause in the U.S. Constitution that gives the federal government the power to regulate business among the states.
Article I
A particular section or provision in a constitution, treaty, or other formal legal document, often referring to specific rights or obligations.
Robert Heilbroner
An American economist known for his works on the history of economic thought and capitalism.
21st and 22nd Centuries
The periods of time spanning from 2001 to 2100 and 2101 to 2200, respectively, in the Gregorian calendar.
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