22. What is the most important factor in our understanding of ancient civilizations and their architectural and military technol
ogies after 1500 BCE? (A) The discovery of art work in caves and other ancient dwellings.
(B) The use of iron weapons and tools.
(C) The finding of shards of pottery and other cooking and storage implements.
(D) The existence of battlefield grave sites.
After the conclusion of America's Civil War, President Abraham Lincoln pitched the ... These issues became more difficult to solve after President Lincoln was murdered.
