What knowledge do people need in order to be an effective participant in our democracy?

The first sophisticated taxes on citizens took place as a result of which of these?

Which is the best description of a political campaign tactic during the ele tion of 1828

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.