The House of Representatives have the ability to elect the President in the case of an electoral college tie. Even though this power is not used often, it is a critical part of their job. They must consider numerous factors including what citizens of their district would want, what would help American society, etc. Ultimately, this type of responsibility defines the members of the House as individuals who need to be impartial and reasonable in order to make the decision that is best for the country.
Positive--resulted in the lowering of the voting age to 18, contributed to the end of the Vietnam War, contributed to furthering the civil rights movements of the time.
Negative--they were violent and led to the deaths of many in riots and shootings, their means were not taken seriously by adults and conservatives of the time,