The origins and cause of the Mexican-American War are very complex, but in general it was started only because the US under President Polk wanted more land.
A historian using the thinking skill of primary source analysis might try to "get in the mindset" of the writer or speaker of the source in question, in order to gain more insight into their life and environment.
Answer:
All of the above
Explanation:
The free press clause guarantees that people can publish any lawful material without fear of punishment by the government, even if that material is critical of the government. This meant anything that criticized the government or its officials.
So it is 4. All of the above
Low food/water, bad weather, and sorry I don't know the last one