What were the differences between flatboats, keelboats, and steamboats?

Keelboats were larger than flatboats, usually about seventy feet long and built with a pointed nose and stern. The deck was roofed over, and sported a mast for a sail. What set them apart was that keelboats could go upstream--but only by human muscle power.

what are local authorities doing to fix the problem

explanation:

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.