Which sentence belongs in the introduction of an argumentative essay?
in 1869, construction was completed on the first railroad to cross the united states
large numbers of people moved from the farms to the cities, where the factory jobs were
opponents claim that the massive pollution and dangerous working conditions that were caused by the industrial
revolution outweigh any benefits to the country,
in the late 1800s, the industrial revolution became one of the best things to ever happen to the united states, as it
resulted in many new types of inventions and transportation

answer: i would say he was very determined and persistent in overcoming obstacles.

explanation:   "the magician of menlo park" as he was called, liked to tell an incident that happened when he was 8 years old and came back home crying after attending school for three months because his teacher called him "sterile and unproductive". from nowadays perspective, we can say that thomas alva edison was one of the most persistent and determined man that has ever existed. when edison was 14, he contracted scarlet fever. the effect of the fever, as well as a blow to the head by an angry train conductor, caused edison to become completely deaf in his left ear, and 80-percent deaf in the other. so as you can see he had to struggle to not so many minor issues but he always succeeded.

the positive connotations of the words "pretty," "quiet," and "silence" give the excerpt a tone of nervousness. i think its this

what are the options?