A global treaty to ban a dangerous substance in manufacturing comes up for ratification in the Senate. Banning the substance might anger another country, even though most countries support the treaty. What factors might influence
the government into signing it anyway?

the answer is a

their confiscation of contraband and the sinking if the lusitania

what are the others?

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.