How were the statuses of the respective armies of the United States and Mexico at the onset as well as during the Mexican-American War?

How were the statuses of the respective armies of the United States and Mexico at the onset as well as during the Mexican-American War?

The paper should take a close look at the day to day lives of American and Mexican soldiers during the Mexican American war. Describe how soldiers would spend their time when not fighting, life on the march, sanitary conditions, and the daily sustenance soldiers needed. Explain the military equipment and strategies employed by both sides.