The answer is A. the sinking of the Lusitania
The best choice would be the Nanjing Massacre led to the increased tension between the United States and Japan in the year 1937. This is because didn't like what the Japanese did in China and in other parts of Asia. The killings they made to many are not really favorable to the U.S.
The Pax Romana was said to be a peaceful time of prosperity in Rome. But was all of it really peaceful? No, although Rome wasn't fighting any wars, they still had internal struggle as an empire. After the Civil Wars, Rome went through 27BC-180AD, which is a 200-year period called the Pax Romana, which means peace. The Pax Romana lasted from 27 BC until 180 AD. It started when Augustus Caesar was Emperor (ruler) of the Roman Empire. The main good things that happened in this time were: There were not many wars. Pax Romana which is Latin for "Roman Peace" was a time, as the name suggests, a long period of peace and minimal military expansion from 27 BC to about 180 AD. The main importance was that all of the land surrounding the Mediterranean was at peace because everyone was under Roman Law.
I am pretty sure it is murder.
Answer:
fertile soil flooding
Explanation:
Most ancient civilizations developed alongside rivers. The main reason why is that these rivers periodically flooded the sorrounding areas, making the soil more fertile. This physical phenomenon allowed the cultivation of more and better crops, which increased the wealth and complexity of the civilization.
Examples are: Ancient Egypt and the Nile, Ancient Mesopotamia and the Tigris and the Euphrates, and Ancient China and the Yellow River.
