True. The Songhai empire was one of the strongest empires in Africa at it's peak in the 1500-1600's. The location of this empire was where modern day Mali is currently located.
Answer: Jim Crow laws, poll taxes
Explanation: Poll taxes, literacy tests, fraud, and intimidation all turned African Americans away from the polls. Until the Supreme Court struck it down in 1915, many states used the "grandfather clause " to keep descendants of slaves out of elections.
Some new inventions, designs and ideas that were created in the 1780s include:
-1780 Bifocal glasses were invented by Benjamin Franklin
-1780 The circular saw was invented by Gervinus
-1784 The threshing machine was invented by Andrew Meikle
-1786 The steamboat was invented by John Fitch
-1785 The working parachute was invented by Blanchard
-1785 The power loom was invented by Edmund Cartwright
Hope this helps! :)