I believe the answer is A) supported democratic south Korea against communist backed North Korea
Yes i think so hope this helped
On April 22, 1915, German forces shock Allied soldiers along the western front by firing more than 150 tons of lethal chlorine gas against two French colonial divisions at Ypres, Belgium. This was the first major gas attack by the Germans, and it devastated the Allied line.
https://www.history.com/this-day-in-history/germans-introduce-poison-gas
If you'd like to learn more on this topic here. I hope this helped!
A government promoting the involvement of all men in government emerged in "Ancient Athens," since there was a system of "direct democracy" there in which all eligible citizens could vote directly on legislation.
It's the general framework agreement for peace in Bosnia. It ended conflict between Bosnia, Serbia, and Croatia.