American authors <span>John James Audubon</span> and David Abram embraced nature and the individual in their works about frontier life. I think that you can use these two authord as their major works such as ''The Birds of America'' (1)and ''<span>Becoming Animal'' (2) include the issues connected to the environmental problems and individual perception of a person.</span>
It's most likely the principle of Checks and Balances.
Eurasian diseases such as influenza, pneumonic plagues, and smallpox devastated the Native Americans, who did not have immunity to them. Conflict and outright warfare with Western European newcomers and other American tribes further reduced populations and disrupted traditional societies.
The Gutiérrez-Magee or Magee-Gutiérrez expedition of 1812–13 was an early filibustering expedition against Spanish Texas. The expedition took place against the background of growing unrest in Mexico against Spanish rule.
