Which statement best describes the role of the popes in the middle ages

Which diagram most accurately explains changes in media over time

1. america's first national road morse 2. joined lake erie with the hudson river cooper 3. steam-driven locomotive erie canal 4. allowed businesspeople to keep in touch with trends cumberland 5. telegraph code fulton 6. clermont telegraph

Which of the following is one of the challenges that president nixon faced when he first entered office? finding an end to the vietnam war is the answer