There were 30 states at the beginning of 1850 and 31 at the end. <span>At the start: </span> <span>15 free states- Maine, Vermont, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Ohio, Michigan, Indiana, Illinois, Iowa, and Wisconsin </span>
<span>15 slave states- Delaware Maryland, Virginia, North Carolina, South Carolina, Georgia, Florida, Kentucky, Tennessee, Mississippi, Missouri, Arkansas, Texas, Louisiana, and Alabama </span>
<span>Then, with the Compromise of 1850, California came into the Union as a free state.</span>
"Foreign events and the increase in unemployed Americans" is the one among the following choices given in the question that <span>caused inflation in the U.S. during the 1970s. The correct option among all the options that are given in the question is the second option. I hope the answer has helped you.</span>