Answer:
1. Roma videmus
-Here, Rome would need to be in the accusative case since it is the direct object. The correct word would be Romam.
2. Romani viae visito
-Visito is first person meaning "I visit." The correct word would be visitant.
-Again, you need to use the accusative case for direct objects. The correct word here would be vias.
3. Romani pugnae spectabimus
-Spectabimus translates to "We will watch." The correct word would have been spectabunt.
-Again, battles needs to be in the accusative case since it is being watched. The correct word would be pugnas.
Hope this helps.