Answer:
a) the effectiveness of mass production.
Explanation:
Henry Ford was the first car producer (Ford Industries) to use the assembly line, which allowed certain groups of workers to work on specific parts of the car, while simultaneously transferring the component throughout the groups to create a full car at the end. This allowed Ford to create large amounts of cars in short amount of time, decreasing not only cost of production, but also the cost to buy the car, further making the car more popular with the people. This cycle allowed for cheap cars, which in turn made Ford rich.
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Frederick douglass provided audiences with a first hand account because he used to be a slave but he was freed
Explanation:
Lee's Surrender at Appomattox. Robert E. Lee surrendered to Ulysses S. Grant at Appomattox on April 9, 1865, ending the fighting of the eastern theater and effectively ending the American Civil War.
Answer:
Increase amount of war occurred in West Africa. European and American slave traders didn't go into African countryside and kidnap them, they bought slaves from coastal kingdoms. Because they wanted more slaves coastal kingdoms were encouraged to cause more war and raids against their neighboring kingdoms.
The coastal kingdoms became rich and more powerful due to the fact that they were able to get guns, and plenty of other things for slaves.
Slave traid took away millions of Africans in their prime, and this disrupted the cultures off the African nations, and we're less able to progress.
I hope this helped!
Answer:
They made mathematics and calculations easier.
