Answer:
experienced military leadership
Explanation:
Of the following, the most threatening problem for the Union from 1861 through 1863 was possible British recognition of the Confederacy In 1861, the Union went to war with the Confederacy primarily to preserve the Union.
Ships that were narrow and could navigate thin waterways. These ships were called battering ships because they would ram into other ships to sink them.
Mesopotamian Sumerians were very important to the Sumerian culture.
Religious freedom is the answer.
