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Type the correct answer in the box. spell all words correctly. what did german psychologists develop in the 1920s to describe how people tend to organize visual elements into groups? describe how people tend to organize visual elements into groups, or unified wholes, when applying certain principles.

Based on the sentence, what does a studious effort require

The refers to the seventeenth and eighteenth centuries in europe? a. industrial revolution b. renaissance age c. age of kings d. classical age