Choice D is correct on following grounds; International attention with salt march resulted in Gandhi-Irwin pact, Gandhi agreed to end his civil disobedience through salt march and Irwin agreed to free Indian prisoners that ruling British govt. had imprisoned as participants of salt March. Indian were granted right to be free from unjust imprisonment.
The Entente; which included France, the UK, Portugal, Serbia, Russia, Romania, Greece, Japan, Italy, and eventually the US.
The answer is A. The war began with the annexation of Texas. Hope this helps.