I believe it is the Tigris-Euphrates river valley
A powerful committee of the us senate charged with finding ways to raise federal revenues is the "Ways and Means Committee". This committee is usually made up of both Democrats and Republicans.
I believe A but double check!
Answer:
A conclusion for this passage could be:
The rapid and paramount political and cultural changes that were brought by the Renaissance and the Reformation would not have been possible without the Printing Press, because such political and cultural change required a more literate and cultured society, something that only became possible after the printing press was invented.