Which of the following was not a result of the haymarket square riot of
1886?
(a) passage of an eight-hour workday for workers
(b) increase in membership of the knights of labor
(c) greater association of labor unions with anarchists
(d) passage of antitrust legislation
(e) enactment of child labor laws

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.