Based on the provided statements regarding the map study:
- Open plains allow for easy transportation throughout the region.
- Trading goods and information in the region was not possible. - This statement is likely inaccurate, as having various geographic features typically facilitates trade.
- Rivers provided a source of both irrigation and transportation.
- Deserts limited communication and transportation.
From these, the statements that can be determined to be accurate are:
- Open plains allow for easy transportation throughout the region.
- Rivers provided a source of both irrigation and transportation.
- Deserts limited communication and transportation.
The second statement is likely inaccurate since trade usually exists in regions with various geographical features.
For question 2, the Southeast Asian country that was the site of a war in which the USA attempted to stop the spread of communism is:
- Vietnam.
The Vietnam War was primarily driven by U.S. efforts to prevent the spread of communism in Southeast Asia.