The correct answer for the question that is being presented above is this one: "Thomas Edison." Thomas Edison improved the incandescent light bulb and he made it possible to quit using oil lamps as a source of light, which sometimes unsafe.
Hey this is part of an assignment we cant do you have to im telling your teacher i wont if u pm me though
Answer: it is a
Explanation:
The reason is that people are supposed to spread word about about their campaign not pass it out. and a is the correct answer because it is.