what constitutional powers were the legislative branch using?

Answer 1

"The Constitution nowhere contains an express injunction to preserve the boundaries of the three broad powers it grants, nor does it expressly enjoin maintenance of a system of checks and balances. Yet, it does grant to three separate branches the powers to legislate, to execute, and to adjudicate,"

Go read the rest....

Answer 2

Elaborate your question. What actions did the legislative branch take, that you are now questioning constitional authority about.