So far, there were 11 free states and 11 slave states. how many senators were there in the u. s. congress at this point? (remember, there is equal representation in the senate! )

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chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.