Which of the following was the most significant contribution made by john adams to the u. s constitution?
a. formation of a bicameral legislature
b. formation of a unicameral legislature
c. formation of a federal veto program
d. formation of a supreme court

The answer would be the creation of the bicameral which is A. This distributes the representatives into two distinct assemblies, chambers, or houses. Bicameralism is different from unicameralism or cameralism, in which all associates measured and vote as a lone group, and from some governments that have three or more distinct meetings or houses.