How was gas launched to the enemies

Explanation:

Most gas was delivered by artillery shells. The agent(s) were in liquid form in glass bottles inside the warhead, which would break on contact and the liquid would evaporate. Shells were color coded in a system started by the Germans. Green Cross shells contained the pulmonary agents: chlorine, phosgene and diphosgene

in the declaration of independence, thomas jefferson announced that every human being has “certain unalienable rights,” among which are those to “life, liberty, and the pursuit of " hope i

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."