Match the following Years in List 1 with the description in List 2 correctly:

(a)- ii, (b)- iii, (c)- i

On December 11, 1997, delegates from more than 150 countries signed the Kyoto Protocol, an agreement to lower the number of greenhouse gases released into the atmosphere.

In 1994, the Tutsi tribe in Rwanda faced a threat to its existence as nearly five lakh of its people were killed by the rival Hutu tribe in a matter of weeks.

The Anti-ballistic Missile (ABM) Treaty in 1972 tried to stop the United States and the Soviet Union from using ballistic missiles as a defensive shield to launch a nuclear attack. While it did allow both countries to deploy a very limited number of defensive systems, it stopped them from large-scale production of those systems.