In the event of isolation during operations other than war, the reasons to delay contact with legitimate authorities include:
1.Gain situational awareness
2.Contact friendly forces
The Urban Areas were used to house these Immigrants and they grew larger.
The Mexican-American War was in the period 1846-1848. The main causes of the Mexican-American War were mainfest destiny (Americans believed that thye have the right to expand westward and conquer territory despite the rights of the indigenous people already living on that land), westward expansion, economics, and slavery
The terrible sewer and water system that was infecting countless people by diseases like typhoid. <span />
Answer: The government was ruled by one leader.