Which pair of circumstances represents an accurate cause-and-effect relationship? 1. Dred Scott decision - passage of the Fugitive Slave Law

2. closing of the frontier - completion of the transcontinental Tailroad

3. more jobs in factories migration of African Americans from the South to northern cities

4. establishment of Jim Crow laws beginning of Reconstruction​

Which items are described by the geographic theme of movement? ahmad's great-grandparents were originally from afghanistan. songs and movies made in india are very popular in afghanistan. afghanistan is east of iran. afghanistan's rugged mountains provide protection for its people. much of afghanistan's forests are being cut down for fuel. afghanistan exports wool to turkey and india.