Answer:
the use of poison gas and machine guns
Explanation:
Aerial attacks weren't really a thing, unrestricted submarine warfare was a reason why the US joined the war but not a factor in high casualty rates, and blimps using direct artillery fire isnt as practical as machine guns and poison gas
The main reason why the United States was so interested in the security of Latin America is because the Latin American countries were so close to the US, meaning that if they were invaded by European powers it would post a threat to the US.
It would be the term "c. inflation" that refers to an economic situation where the large amount of money in circulation creates continuous pressure to raise prices, since the value of the money actually decreases.
I think none of the above would be your answer.
They were a mix between Britain and France people but the resentment towards Britain were stronger
