Read the following argument, and then answer the question below "This is an unsatisfactory place to live, because unemployment nationally is running at a lower rate than it is here. The U.S. Department of Labor announced an 8.5% national rate of unemployment while the State Employment Security Commission has said that the local unemployment rate is 11.5%." "Because unemployment nationally is running at a lower level than it is here" functions as:

Group of answer choices

warrant

grounds

backing

claim