What contributed to the growth of the know nothing movement in the mid 1850s

Trade and traveling

Back in those days , flying was a luxury,  it felt like a privilege to be on a plane and flying was still new and exciting. Fast forward to today, flying has become just a mode of transport, a means to get to our destinations. Let’s not forget the inconveniences and annoyances that come with modern-day travel: the cramped seats, the dismissive stewardesses, the long security lines, and so on.

the answer is a. since they were a huge producer of cotton and wanted the most money for it.