The leading cause of the Pullman strike was the cutting of wages of the laborers but not reducing the rent charged. It was basically a nation wide railroad strike in the country of United States that started on 11th of May in the year 1894. American Railway Union started the strike against the Pullman company.
By using facts it can break the other candidate or President because if they can’t back that statement up in the debate everyone will see it.
That really depends on the definition of a "computer". The usual story that computer scientists learn in their introductions is Charles Babbage, who devised a "Difference Machine" to count polynomials, which however, was not yet constructed in his time.
Another "first" was Konrad Zuse's finished in 1938, which was the first programmable computer.