What does the abbreviations km means

Read the chart from "career planning for high schoolers." which conclusion is best supported by the information in this chart? majors in social sciences lead to above-average starting salaries majors in education lead to above-average starting salaries. majors in humanities lead to above-average starting salaries. majors in engineering and tech lead to above-average starting salaries.

How does this passage contribute to the overall meaning of the story

Highlight all instances of parallel structure. there is no longer any room for hope. if we wish to be free—if we mean to preserve inviolate those inestimable privileges for which we have been so long contending—if we mean not basely to abandon the noble struggle in which we have been so long engaged, and which we have pledged ourselves never to abandon until the glorious object of our contest shall be obtained—we must fight!