What was a result of the roman army building roads and bridges in places where they were fighting? a. the army's soldiers would run away. b. the army would lose battles. c. the army moved slower. d. the army moved faster.

The Result of the Roman army building roads and bridges in places where they were fighting is that it made them move faster and more effectively. The answer to your question is D. The army moved faster.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

answer; no longer than a reasonable period of time;