What are the “other armaments” that Kennedy writes about in his letter?

How did the new working class of the industrial revolution differ from the working classes of the earlier, farm based economy?

Which describes a contribution from classical rome to modern western civilization? a. international gathering to celebrate sporting achievement b. written constitution based on natural rights c. large infrastructure projects to benefit the public d. direct election of the ruler by all residents of the empire

Which of the following was probably the most difficult challenge facing construction of the railroad?