The success of which plan led to the constitutional convention of 1787?

a.) albany plan of union
b.) second continental congress's "plan of confederation"
c.) interstate plan for regulating trade between virginia and maryland
d.) compromise reached between the virginia and new jersey plans

"interstate plan for regulating trade between Virginia and Maryland" is the one among the following is the success that led to the Constitutional Convention of 1787. The correct option among all the options that are given in the question is the third option or option "C". I hope the answer comes to your help.

The answer is promontory, utah.