All of these statements are correct.
Answer:
Progressive reformers wanted to end political corruption, improve the lives of individuals, and increase government intervention to protect citizens.
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
Mempa v. ray held that a probationer should have the opportunity for COUNCEL before a deferred prison sentence can be imposed.
Mountains in Greece isolated the city-states and made them independent, greatly affecting their development.