Which of the following was the most far-reaching development in the transportation revolution of the early 1800s?
a. the invention of the steamboat
b. the arrival of railroads
c. canal building
d. road construction

The 15th amendment to the u. s. constitution, ratified in 1870, deals with what issue? a. prohibition of alcohol b. voting c. declaring war d. free speech

Which of the following arguments decided the debate over using the atomic bomb against japan in 1945? using the bomb would destroy the armaments still available to japanese forces in japan. using the bomb would demonstrate the power of the united states to the entire world. using the bomb would shorten the war and avoid heavy casualties among invading troops. using the bomb would enable allied forces to invade and take over the japanese mainland

What is the approximate area of a circle with a radius of 15 feet