They lost five of their ports to the US
The correct answer in my opinion would be that D is the most important factor here. But this question is quite tricky.
We can surely say for example that literature, organized schools and a hierarchy of priests are not something that constitute a civilization. Organized schools appeared to late, not every civilization had literature and having only a hierachy of priests is not enough to say you have a civilizaton.
Labor has been divided in pre-civilization hunter-gatherer societies as well.
For that reason I'd say the correct answer is D - more food than is needed for survival. Having this, the people in a certain group can focus on other things.
28 July 1914 – 11 November 1918
Answer:
There were relatively few slaves or large plantations in these regions
Explanation:
The Civil War in the United States began in 1861, after decades of simmering tensions between northern and southern states over slavery, states’ rights and westward expansion.
Growing abolitionist sentiment in the North after the 1830s and northern opposition to slavery’s extension into the new western territories led many southerners to fear that the existence of slavery in America and thus the backbone of their economy was in danger.
On September 17, the Army of the Potomac hit Lee’s forces (reinforced by Jackson’s) in what became the war’s bloodiest single day of fighting. Total casualties at the Battle of Antietam (also known as the Battle of Sharpsburg) numbered 12,410 of some 69,000 troops on the Union side, and 13,724 of around 52,000 for the Confederates.
Aztecs should be your answer
hope this helps