The Virginia Plan (also known as the Randolph Plan, after its sponsor, or the Large-State Plan) was a proposal byVirginia delegates for a bicameral legislative branch. The plan wasdrafted by James Madison while he waited for a quorum to assemble at the Constitutional Convention of 1787.Drafted by James Madison, and presented by Edmund Randolph to the Constitutional Convention on May 29, 1787, the Virginia Planproposed a strong central government composed of three branches: legislative, executive, and judicial.The Virginia Plan was presented to the Constitutional Convention in 1787. ... Supporters of the Virginia Plan wanted to have separation of powers as well as checks and balances in order to eliminate the abuse of power and tyranny like they had experienced in Great Britain, as well as to create a strong national government
It is the source of implied powers.
The necessary and proper clasue gives Congress the power to make all laws which shall be necessary and proper for carrying into execution the foregoing power. It enables Congress to make the laws required for the exercise of its other powers established by the Constitution
Sorry I can't write Spanish but you can look for it on google