Respuesta :
Answer:
The second and fourth statements.
Explanation:
The atomic bombs dropped on Hiroshima and Nagasaki in 1945 brought an end to the war against Japan.
Radar was crucial in detecting German aircraft and helped greatly in the RAF winning the Battle of Britain.
These are the correct answers: C.) The United States used the atomic bomb to end the fighting against Japan.
D.) Radar helped save Great Britain from a German invasion.