Progressives knew that the best way to guarantee nation wide change was to {A} Amend the contitution
The correct answer to the question stated above is letter C which is: They sailed up the navigable rivers of Europe and across the Atlantic in longships.
Vikings were Germanic Norse<span> seafarers, </span><span>who </span>raided<span> and </span>traded<span> from their </span>Scandinavian<span> homelands across wide areas of northern and central Europe and European Russia, during the late 8th to late 11th centuries.</span>
Answer: architecture, sewage systems, Roman numerals and concrete
Explanation: I just did the test