Because moving traded goods great distances by floating them
on the water is just about the easiest and cheapest way to
deliver them from one place to another place.
D or A is the answer. I least I narrowed it down.
The answer you are looking for is D.) articles that exaggerated or manipulated events to shock readers.
For example lets say there was a car crash and the people had minor injuries in your town. Later you see on the morning paper that the people suffered terribly from the crash that they had to be flown to a hospital. That is yellow journalism because the event is exaggerated.
Answer:
1. Vietnam is divided into two countries
2. The Viet Cong start a resistance against Ngo Dinh
3. President Johnson escalates US involvement in the war
4. Vietnam is unified under a communist government
Explanation: