Answer- D
Explanation- Some of the first major city-states were port cities that acted as trade centers, like the republics of Pisa, Genoa, and Venice. Their wealth came from international trade routes we call the silk roads, connecting European and Asian markets thanks to the massive Mongol Empire that opened up Eurasian trade.
Answer:Radio , valley and fifteen
Explanation:
Because the open syllable is when there is a vowel at the end of a word
Answer:
1. You could contact The U.S. Army or Navy. We normaly jump into most conflicts anyway.
2.It depends on the time. You might need to use morse code, or you can find an army base station for help.
3. You could respond by sending helicopters to the scene. You could send battleships but that'll take too long.
Explanation: how about this one
