Which of the following was NOT a new technique used in naval warfare during the Civil War? a. the inclusion of iron plating

b. the use of steam engines

c. the uses of sails to power ships

d. changes to the type of cannons used on ships

b. the use of steam engines

its b they use steam engines

Explanation:

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

i just answered it

explanation: