well...they were still called automobiles, however big industries like Ford Cars were around back then.
Answer:
treaties are pretty much agreement s to be nice to each other and to stop fighting
Explanation:
it can effect them in many ways. a main way it mostly effects them is how when you are in a middle of a war, and then out of nowhere u guys have stop fighting, it could cause more wars then wanted
Used radio, film, and press to give the war an ideological meaning.
