What did johann gutenberg invent in the 15th century that led to the spread including the reformation?
a. paper
b. astrolab
c. steam engine
d. printing press

Which statement is true of both presidential and parliamentary systems of government?

Explain the importance of carnegie, morgan, and rockefeller on the american political scene of the early 1900's.

Who was the washington lawyer who watched the bombardment of fort mchenry from a british ship and wrote a poem about it? a. francis scott key b. benjamin banneker c. william clark d. zebulon pike