You need to check each sentence for errors. If there's an extra letter, such as the "s" in "reads" (#1) you need to use the symbol which deletes a letter. If a sentence/word is missing a word/letter... you need to use a symbol to show that a word/letter should be shown there.
<span>D. But we had not traveled fifty miles down the stream before we found the water gradually becoming brackish and discolored from the salt and</span>
Answer:
Restoration of law and order
.
Withdrawal of US forces from Vietnam.
By providing the employee with opportunities to socialize with co-workers
