I might be wrong, but I believe it's A,B,D
Answer:
There is alredy a treaty called Geneva Gas Protocol that banned the use of these weapons
The Geneva Gas Protocol, in full Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or Other Gases, and of Bacteriological Methods of Warfare, in international law, treaty signed in 1925 by most of the world’s countries banning the use of chemical and biological weapons in warfare. It was drafted at the 1925 Geneva Conference as part of a series of measures designed to avoid repetition of the atrocities committed by the belligerents in World War I.
The problem is that it is difficult to implement but a good measure would be very high fines to the countries that produce or stockpile these weapons.
Like other nations born in anti-colonial revolutions, the United States faced the challenge of building a sound economy, preserving national independence, and creating a stable political system which provided a legitimate place for opposition. In 1790, it was not at all obvious that the Union would long survive.
Answer:
when the the civil war started?
Explanation: