Who was a famous senator from Massachusetts who did not believe in state's rights?

A famous senator from Massachusetts who did not believe in states' rights was Daniel Webster. He served in the Senate during the early to mid-19th century and was a prominent advocate for a strong federal government. Webster believed that national unity and federal authority were essential for the nation's stability and progress, often opposing the notion of states' rights, particularly in the context of issues like slavery and nullification. His speeches and debates emphasized the importance of a cohesive national policy over individual state interests.