WWI tanks were used to lead infantry advances across no mans land (option a ). It was a welcome development, as it was hoped it would help ending the long and casualties provoking trenches type of war.
Americas support the ongoing struggle by Cubans and Filipinos against Spanish rule and the mysteries explosion of the battleship caused them to declare war against Spain
Answer:
Explanation: John Brown was a militant American abolitionist. He becane a martyr during the raid on the federal arsenal at Harpers Ferry. His ideas and actions incited the slave insurrection that lead to the American Civil War.