Answer:
European nations staked claims on paper while tribes claimed the ground itself, but the border remained a work in progress, an imaginary line, until troops clashed and treaties settled the question.
In 1849, after the Mexican-American War, the United States sent teams of surveyors, soldiers and laborers to mark this new line in the desert, which sounded simple but proved difficult. The teams struggled as the Southwest seethed with conflict.
Explanation:
<span>The two things that all organized groups have in common to govern themselves are laws and leaders.
It is important to make laws in order to set rules and punishment that will maintain peace and order. Organized groups also need leaders to guide members and impose authoritarian duties that will serve as the referral agreement among conflicting parties.</span>
