The average rate is at least .5 or one whole number
The answer to 1 is C) a system of roads and bridges
The answer to 2 is C) they built terraces in the mountains
The answer to 3 is A) corn
The answer to 4 is C) a calendar
The answer to 5 is C) building island gardens
Whoo, that's a lot of "C's!" Hope this helps! Please let me know if I got some wrong :)
Answer:
a large fleet of warships
Explanation:
The correct answer is (D.) Romans