 A succession of non-proliferation dialogues bridged many of the gaps in understanding between the countries.In December 2006, the US Congress passed the historic India–United States Civilian Nuclear Agreement|Henry J. Hyde US–India Peaceful Atomic Cooperation Act, which allows direct civilian nuclear commerce with India for the first time in 30 years.US policy had been opposed to nuclear cooperation with India in prior years because India had developed nuclear weapons against international conventions, and had never signed the Nuclear Non-Proliferation Treaty (NNPT).