Part of the point of the split when the US Congress was designed was to intentionally make it difficult for bills to pass, because they had to pass votes in two

Part of the point of the split when the US Congress was designed was to intentionally make it difficult for bills to pass, because they had to pass votes in two independent houses, that (presumably) were focused on differing agendas. This inherent difficulty was the intended outcome to try to assure that only bills which had strong support overall from different perspectives and viewpoints would make it through the double gauntlet.