Provided land as long as worked the land 10 years or so and then the land is yours
Thomas Edison
Reasoning: he applied for the first pattent of the light bulb in 1897
Most likely A. Note how all the others are good, but that one is classified bad. Also think, if you were her would you do this? you'd most likely want to get payed for your discovery, and charge people to come watch. Thinking logically i'd go with A.
