Who was robert oppenheimer?
- a general in the south pacific
- an investor in the war effort
- a scientist who led the development of the atomic bomb
- a leader in the french resistance

Plz me on september 17, 1860to the union and confederate army’s fought the in maryland. it was one of the bloodiest battles in the civil war. a. battle of the seven pines. b. battle of antietam c. first battle of bull run. d. second battle of bull run.