What is slaveryand mention the people who were instrumental in the abolishing of slavery

answer is below

Explanation:

Slavery was the act of using African-American people to work in harsh conditions with little to no pay, these people did work such as cleaning, picking cotton fields, being assistants, and doing farm work. A few notable people that abolished slavery was Martin Luther King Jr., Fredrick Douglass, Harriet Tubman, John Brown, and some more. They did this through peaceful protests, escaping with inside jobs(people who would free them when there was no supervision), and escaping while doing work.

because other regions has other things that egypt doesnt have.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)