What is the meaning of “an act of legislature repugnant to the constitution is void” from Marbury v. Madison

What was the most common destination for african american migrants between 1910 and 1930

In at least two paragraphs, discuss the differences between the principles of republicanism and democracy. explain whether you think the united states is more of a republic or a democracy. refer to at least one example from the constitution. (10 points)

What affects did the great depression have on americans