I'm no good in English but I think it's D. Indirect object.
Answer:
D ....................................
Explanation:
* *
* * *
* * * * *
* *
* * *
The U.S. had to make the American people understand that war was the right answer. They had to convince businesses that they would succeed and not fail during the war. The war itself, still faced opposition, but for the most part Americans supported our military in their efforts. The entry into the war, was one that was not taken lightly.
Calkins(mary whiton calkins
I'd say it's <span>b.)They demanded an end to Jewish immigration.
</span>