The correct answer is C) the Yeoman farmers.
Opening the Mississippi River to commerce was especially important to the Yeoman farmers.
The Yeoman farmers were the small landowners in the South. They were way behind the wealthy landlords that owned the large plantations. After them, there was the poor and lower class in the South. Yeomans did nos posses, slaves and dedicated their lives to farming the fields of the northwest and central areas of Mississippi. That is why opening the Mississippi River to commerce was especially important to the Yeoman farmers in order to trade and transport their crops.
The other options of the question were A) manufacturers.fishers. B) loggers. D)