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:

- "the four new england colonies of colonial america included colonies of new hampshire, massachusetts bay colony, rhode island and connecticut."

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-an amendment is proposed.

-two-thirds of congress must approve.

-thee-quarters of states must approve.

-the proposed amendment becomes law.

hope this