The most important environmental problems in East Africa / Horn of Africa are overgrazing, deforestation, water shortages, loss of biodiversity, and urban-industrial pollution. While environmental laws exist in most countries of the region, there is often inadequate implementation.
C. The system of escape routes and hiding places for runaway slaves.
The Underground Railroad helped many slaves escape slavery to the North, where they were able to live as freedmen.
Answer:
April 12, 1861, Confederate troops fired on Fort Sumter in South Carolina's Charleston Harbor. Less than 34 hours later, Union forces surrendered. Traditionally, this event has been used to mark the beginning of the Civil War.
Explanation:
