In my opinion maybe 326 bc
The correct answer is letter A. Rome was located on a large river that is why they built aqueducts and sewage systems that eventually paved the way for their great civilization. Water is the main source of agriculture, building, and health for the Romans. Today, a lot of the innovative machines we have are influenced by the Roman Empire.
The nationalist movement was led by Emperor Bao Dai.
Explanation:
The Vietnam War occurred during the Cold War period. As several other wars i this period this one was also based on the fight between communist and capitalist movements. Vietnam became internally divided because it had two major fractions, one being the communist one in the north , and one being the nationalist one in the south.
The communist fraction was the Viet Minh, and it was supported by the communist countries. The nationalist fraction, led by Emperor Bao Dai was supported by the anti-communist countries. The war didn't just occurred on the territory of Vietnam, but it also was on the territories of Laos and Cambodia. The end result was a win for the communist fractions and all three countries became communist.
Answer:
Once early civilizations developed, they continued to change over time. Factors such as the environment, conflicts, and the movement of people and ideas affected civilizations and led to change.