Both the speech and the poster convey the importance of

conserving resources at home so troops can have more.
making sure that all citizens receive a fair share.
displaying patriotism in all facets of one’s daily life.
donating money to provide supplies for the troops.

Both the speech and the poster convey the importance of conserving resources at home so troops can have more.

conserving resources at home so troops can have more.

Explanation:

Both the discourse was identified with preserving assets, Where there are just a couple of Americans who place craving above enthusiasm.

And the overwhelming majority dominant part understands that the nourishment we send to another country is for basic military purposes, for our very own and united battling powers, and for fundamental assistance in zones that we involve.

So Both the discourse and the publication pass on the significance of saving assets at home so troops can have more.

your answer is c) experiments with water vapor showed that elements combine in specific proportions.