What was one advantage of using steam boats in the 1800s

One of the main advantages of using steamboats in the 1800s was that "Steamboats could travel against the wind and currents", since before the steamboat, almost all river travel and transportation had to be done "with the current".

Explanation:

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.