Answer:
Empire Building in Africa. ... Which seven European countries placed virtually all of Africa under European control ... What reforms did Muhammad Ali introduce during a 30-year reign in Egypt? ... By 1914, which two African countries remained as non-colonized free states?
The economy and new electric machines in factories and inventions and ideas such as the assembly line.
Answer:
Explanation:
Harriet Tubman changed the world by escaping from slavery, becoming an abolitionist and helping many slaves attain their freedom by means of the Underground Railroad, a secret network of routes and safe houses to aid runaway slaves. Later in life, she helped John Brown plan his raid on Harper's Ferry and assisted the Union army during the Civil War as a scout, spy and nurse.