The correct answer is B.) the California was allowed to enter the union as a free state with no slavery.
Most Southerners were wealthy people who invested most of their money in land especially cotton farming. This is because there was growing demand for textiles. They also invested in slaves so they preferred shipping via rivers and seas. The answer to our question is water travel.
There are many reasons why it’s considered a crossroad. Is there by options to choose from or do you have to type it?