Population differences between the North and South prior to the Civil War was in part due to A. settlers migrating north for land.
B. new job availabilities in the South.
C. the increase in birth rate in the South.
D. immigrants tending to settle in the North.

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.

answer; jewish immigrants;