I know the strengths was the had elite groups of warriors, big population, they also knew the area/land around them, and taught there children about the history, math, and many more.
The war between the U.S and mexico took place because the U.S decide they wanted to expand across the North American continent, which caused them to clash with all of it's neighbors including the british, the Mexicans and the Native Americans. Americans began migrating to the west even into land that did not belong to the United States.When Plok came into Office in 1845, he believed in the idea of "Manifest Destiny" hwich was the belief that expanding the U.S throughout the continents was both lawful and necessary.
Citizen's rights and responsibilities stem from the constitution as they were given to us by our creator according to the constitution. The European ideology claimed that all people are equal (in terms of caste, religion and status) and developed from the enlightenment era.
The citizenship can be obtained by anyone as long as they live in the country long and pay taxes and behave like anyone else would behave. The political thinkers such as John Locke came up with the same idea and thinking which heavily influenced the US constitution.
March 1, 1781 - Maryland delegates signed the ratification of the Articles of Confederation. The Articles were finally ratified by all thirteen states.
February 21, 1787 - Congress approved a plan to hold a convention in Philadelphia to revise the Articles of Confederation.
