Explanation:
Primary sources are evidence about what happen in that time, the person's evidence is primary because that person was there.
Secondary are like when somebody tells you something that he heard but he wasn't there.
Answer:
A war started, and many citizens of Russian city Stalingrad died
Explanation:
The U.S officials supported Ngo Dinh Diem as they believed that Ho Chi Minh government would win, and the united Vietnam would be communist.
C) Isolation was the foreign <span>policy approach describes a country that avoids interaction with other countries. </span>