The prevailing form of federalism after the ratification of the u. s. constitution until 1860 was federalism.
a. fundamental
b. dual
c. single
d. democratic

The right answer for the question that is being asked and shown above is that: "a. fundamental." The prevailing form of Federalism after the ratification of the U.S. Constitution until 1860 was fundamental federalism. 

I’m pretty sure it’s 4, you can check on the calculator

It’s a and your welcome