Answer:
Thomas Edison invented the incandescent light bulb
Answer: C : The property clause of the constitution, the due process clause of the fifth amendment, and the fact that African Americans were not citizens.
Well, it can't be the Cuban missile crisis, that was before he was president, he was the vicepresident.
the bombing of Japan happened about 20 years earlier.
He did sign the Civil Rights act into Federal Law, and that was very significant.
Answer:
they asked for a lot of help and fought
Answer:
(B) Cheaper
Explanation: Books were written by hand, which made them rare and expensive. The invention of the printing press, using movable type, by Johannes Gutenberg in 1440 made books cheaper to produce, encouraging writing and the sharing of knowledge.