How did the United States support the allies effort before joining the war
A - they housed enemy military prisoners of war
B - they sent military consultants and engineers to Great Britain
C - they loaned money to the allies
D - they sent small groups of troops to fight with the allies

Unity in a paragraph means: my writing persuades my readers to agree with the argument i am presenting. the paragraph discusses and supports one thought throughout the entire paragraph. all sentences in a paragraph are the same length and structure. the first sentence and the last sentence echo the exact same thought.