The Early Middle Ages in Europe (500-1000 A.D.) are often called the Dark Ages because literacy and education declined.
Answer:
I think it's b
Explanation:
altho I don't know what the sentence your replacing or the article but b looks like a good choice
What made roman architecture unique was Roman architecture<span> is famous for its domes, arches, amphitheaters, temples, thermaes (bath houses), atriums, aqueducts, apartments, houses, and for many other factors that </span>made<span> it </span><span>unique</span>
Answer:
Article IV addresses something different: the states' relations with each other, sometimes called “horizontal federalism.” Its first section, the Full Faith and Credit Clause, requires every state, as part of a single nation, to give a certain measure of respect to every other state's laws and institutions.
Explanation:
The four Causes of the Civil Wars Slavery, One Union vs state's rights, The growing differences between the North and the South and The election of President Lincoln.
I would say Communism played a big role in it too.
hope this helps and have a great day!