At the time, the number of soldiers killed during the civil

a) was less than the number killed in the revolutionary war.
b) was the same as the number killed during the war of 1812.
c) was the same as the number killed in the spanish-american war.
d) was more than the number killed in all previous us wars combined.

At the time, the number of soldiers killed during the Civil War:

D) was more than the number killed in all previous US wars combined.

American military deaths during the Revolutionary War totaled around 25,000. The death toll from the War of 1812 = around 20,000. The Mexican-American War (fought about 2 decades prior to the Civil War) left around 13,000 American soldiers dead. So all together, that was less than 100,000 killed in those wars. In the US Civil War, over 600,000 soldiers were killed. The Civil War saw more American deaths than any other war in US history, including World War II. (Around 400,000 American military personnel died in that massive conflict.)

was more than the number killed in all previous US wars combined.

1 and 3

explanation:

learned it in 6th

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.