<h2>~<u>Answer</u> :-</h2>
- An attack by one country against another over a border dispute.

Answer:
The main goal has always been
d. reunite the country.
Explanation:
In America, the issue of slavery was such a strong topic that most american president tried to overlook abolishing it or looking into it or using the topic to campaign during election time. When Lincoln became president, he promised to abolish slavery which didn't go down well with those living in the Southern States in America.
This issue caused them to try to form and declare their own country. America being a single indivisible country tried everything possible to prevent such. <em>When it didn't work, the Northern States had no other option than to go to war with the Southern States inorder to preserve their sovereignty as a single country.</em>
Answer:
Dendrochronology is the scientific method of dating tree rings to the exact Year they were formed.
geography is the study of earth as a home of man.
Historiography is the study of the writing of history and of written history.
Archaeology is the study of human past using material remains.
Louis XVI of france is the french monarch.
Answer: National Guard troops shot and killed several students.
Explanation: National guardsmen fired their weapons at a group of anti-war demonstrators on the Kent State University Campus, killing four people, wounding eight, and paralyzing another.