2.  April 1945-FDR dies---Truman takes over  Truman wants war to end ASAP  A. Einstein writes letter to president stating dangers and power of nuclear weapons  Military estimates suggest successful A-bomb attack would save 500,000 lives  US seeks USSR pressure on Japan—little help

3.  Post WWII— nations begin to develop own  US---1945  USSR--- 1949  UK---1952  FR---1960  CHINA---1964 Based out of fear—competitive

4.  NWS—Nuclear Weapon States : (# warheads)  China--- 240  France--- fewer than 300  UK--- 225  Russia--- 4521 (conflicting estimates)  US---- 5113  All NWS are not expected to increase size of arsenals

5.  India---100  Pakistan---90-100  Israel ---- btwn. 75-200  States of Immediate Concern:  Iran  North Korea  Syria

6.  NUCLEAR WEAPONS TIMELINE NUCLEAR WEAPONS TIMELINE  TRINITY AND BEYOND TRINITY AND BEYOND  A BOMB FEAR---DUCK AND COVER A BOMB FEAR---DUCK AND COVER

7.  By mid-1960’s knowledge and fear of nuclear weapons was widespread

8.  With increased fear….public began push for greater limits/disarmament  1968-Nuclear Nonproliferation Treaty (NPT)  Reduced # of weapons arsenals  Some nations have abandoned nuclear weapon programs/others have defied

9.  “New Start”  Treaty signed btwn. US—Russia (2009)  Severely reduces the # of arsenals on both sides by 1,550 warheads or 700 nuclear launchers

10.  Although US and Russia have made great limits---biggest fear lies primarily in four nations:  Iran—Publicly wishes to have nuclear power-- -many fear they are developing weapons  Syria---Increased Palestinian/Israeli tensions  Israel---Who will blink first?  North Korea—recently deployed long-range propulsion rockets---where could they reach?

11.  Look for articles on any of the four threatening nations’ nuclear plans  Based on what you have seen—what differences do you observe btwn the views of nuclear power in the 1950’s and today.  Who do you believe had more to fear? Why?