The answer is b the sinking of the USS Maine in the Havana harbor
Answer:
Serpent Mound crater, also known as the Serpent Mound Disturbance, is an eroded meteorite impact crater in Ohio, United States. It lies largely in Adams County, with the northern part mostly in Highland County, except for a small northeast part in Pike County.
Explanation:
Labor unions were set up in order to promote: A. Better-working conditions; F. Demand for higher wages; and D. Eight-hour workdays. Hope that assists you.
It kept the church from gaining to much power and the govt from gaining too much power it went both ways to cause neutral power between the two.
The rebels of Panama wanted independence from Columbia.