 Few at the time realized how important the issue would become , with the absence of a bill of rights becoming the main argument of the anti @-@ Federalists against ratification . Most of the Convention 's delegates thought that states already protected individual rights , and that the Constitution did not authorize the national government to take away rights , so there was no need to include protections of rights . Once the Convention moved beyond this point , the delegates addressed a couple of last @-@ minute issues . Importantly , they modified the language that required spending bills to originate in the House of Representatives and be flatly accepted or rejected , unmodified , by the Senate . The new language empowered the Senate to modify spending bills proposed by the House . 
