I believe the answer would be D (all of the above).
D. They improved conditions on slave ships to help more people survive.
Constantinople was the capital city of the Roman Empire (330–395), .... The city was briefly renamed Augusta Antonina in the early 3rd century AD by the .... an undivided empire (detail from the Obelisk at the Hippodrome of Constantinople).
Answer: Abraham Lincoln
Explanation: The man who freed slaves in U.S.A
During the civil war, President Abraham Lincoln helped end slavery of African Americans. He was heroic because he stood up for others that were being treated unfairly. His brilliance and heroism helped end the civil war and create a better future for our country.
In astronomy, the geocentric model (also known as geocentrism, often exemplified specifically by the Ptolemaic system) is a superseded description of the Universe with Earth at the center. Under the geocentric model, the Sun, Moon, stars, and planets all orbit Earth.
