Question

Which action during westward expansion had the most negative impact on the lives of slaves? The Fugitive Slave Act The Mexican-American War The Treaty of Washington The Missouri Compromise of 1820

Answer 1

The action during westward expansion that had the most negative impact on the lives of slaves would be "The Fugitive Slave Act," since this meant that slaves who had escaped to free territories needed to be returned to their owners. 

Answer 2

The answer would be "The Fugitive Slave Act." Answer A