As long as records have been kept, mankind has been embroiled in one war after another, and conflicts became more and more destructive as men developed more efficient ways of killing one another. The 20th century has been no exception.
यदि हम इस मामले को इतिहास के तथ्यों के आधार पर तय करें तो इन दोनों प्रश्‍नों का हाँ में जवाब न देना मुश्‍किल है ।