Regarding Republican lawmakers blocking certain bills, it is important to note that the motivations and actions of individual lawmakers can vary. However, in general, Republicans in the United States have been known to prioritize limited government intervention, free markets, and individual liberties. Sometimes, Republican lawmakers may oppose specific bills if they believe they infringe upon these principles or if they view the proposed legislation as burdensome regulations or unnecessary government involvement.
To provide more accurate information about a specific bill and the motivations behind Republican lawmakers blocking it, I would need more context or specific details about the bill you're referring to.