The Mexican-American War, waged between the United States and Mexico from 1846 to 1848, helped to fulfill America's "manifest destiny" to expand its territory across the entire North American continent.
Answer:
He belief that political authority should rest with the people themselves is called: popular sovereignty
.
Explanation:
Popular sovereignty, also termed settler sovereignty, in U.S. archives, a provocative political theory according to which the personalities of federal provinces should choose for themselves whether their provinces would enroll the Union as vacant or slave states.
Popular sovereignty is the system that the government of a state and its administration are formed and maintained by the permission of its people, through their elected representatives.
Probably one of the better reasons for them to initiate these wars was that it enabled them to destabilize the region and especially the power of their main rival in Greece in terms of military and economics. At the time this rival was considered to be Athens. The end of the Peloponnessian wars ended with Sparta coming out as the reigning power in those parts of the world and Athens being strongly decimated.
Unauthorized disclosure of Secret information could be a cause of serious damage to national security.
<h3>What is unauthorized disclosure of information?</h3>
This is a term that has to do with the disclosure of information in a way that it gets to the wrong hands.
This is a very serious issue of concern. It could lead to issues that may affect the security and peace of a country.
Read more on national security here:
brainly.com/question/27204242
#SPJ1
