<span>Because violation of civil rights is violation of freedom, whereas the American Nation declared freedom and equality for all citizens. The discrimination resulted in economical and educational problems as well.</span>
Answer:
D.
Explanation:
Mexican-American began on April 25, 1846, with an attack by Mexican soldiers over the United States military in the disputed land. This attack claimed dozens of US soldiers' lives.
The war lasted till 2nd February 1848 and came to an end with the Treaty of Guadalupe Hidalgo. With this treaty, the United States was able to expand its territory from the Atlantic to the Pacific Ocean.
Therefore, option D is correct.
The answer is People vote for representatives who will make decision on their behalf. This method became the basis of modern democratic government that we use today. In our current system, the people could not directly vote for the regulations. But, the people had the power to appoint the person (representatives) that held their interest.