The number one cause of the American Civil War is the issue of slavery.
Answer:
D. <u>The growing conflict between the American people and the government. </u>
Explanation:
Radicals attacked the U.S. Embassy in Tehran and took hostages in the 1970's.
The exact year is 1979.
Tenskwatawa and his brother Tecumseh urge Native Americans to fight against Americans because they were under the belief that Americans are not good. Both of them even denounced the American way of living and pursued traditional way of life — lessons they always taught to their followers.