U-Boat attacks affected fighting on land by being able to strike fire onto land before sending troops to fight on the beaches.
maybe 5-6 hours a day too much can be bad . . .. . . . .
Answer:
B.any mechanical force that tends to slow or oppose
motion
Explanation:
hope that helped
Answer:
b. A reliable food production and distribution system
Explanation:
The Tang and Song Empires were successful at creating increased food production. Irrigation systems were responsible for more growing areas and particularly helped produced more rice. The empires also manipulated the landscape to create more land to farm. Terrace systems within the land also increased the amount of land that could be farmed at any one time. Cotton, tea, and rice became the most produced crops making money for the empires.
I think it was the Romans