Answer:
to promise uninterrupted continuation of the previous administration's duties and struggles → Paragraph 2
to remind all Americans to stay engaged in the effort to secure peace and liberty worldwide → Paragraph 1
to warn that only the victors can dictate how peace is established and how justice is carried out → Paragraph 4
to clarify that an end to the present world conflict can only come with complete allied victory → Paragraph 3
Step-by-step explanation:
I have matched the author's purpose in each of the paragraphs. The speaker reminds all Americans not to permit momentary pause in the fight for victory. He went further to state that he will continue the previous administration's duties and struggles.
The speaker further clarifies that if the world's conflict will come to an end, then it can be achieved from complete allied victory. He says it's an "Unconditional Surrender"