Which Improvement Most Dramatically Increased the Speed and Lowered the Expense

question 122

Multiple Choice

Which improvement most dramatically increased the speed and lowered the expense of commerce in the first half of the nineteenth century?

• A) The transcontinental railroad.
• B) Canals and steamboats.
• C) The factory system.
• D) A system of federally financed roads.
• E) The establishment of an efficient postal system.