Add punctuation: They had lost the war Weary and sad the purple Moffers also trudged home No more wars
A: They had lost the war. Weary and sad, the purple Moffers also trudged home. "No more wars.

Add punctuation: Oats are rich in iron and also help prevent anemia
A: Oats are rich in iron and also help prevent anemia.

Add punctuation: About us on new research and dissemination
A:
About us - on new research, and dissemination