Which is an ex post facto law?
a) law that ensures the right to a grand jury for serious crimes.
b) law that says a person cannot be tried twice for the same crime.
c) law that inflicts punishment on a person without a court trial.
d) law that applies to a crime committed before the law was passed.

Describe the relations between the united states and other countries under the articles of confederation. 3-4 sentences

Explain the goal of redistricting. how does redistricting support the democratic process?

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.