Explanation:
According to "The Immigrant Contribution," how is immigration a "gesture of faith in social mobility"? ... Immigrants believe that moving to the United States offers them a chance to improve their social and economic status.
Colons. The colon is a stronger punctuation mark than the semicolon. As a result, within sentences, it is used only after a complete sentence--never after a dependent clause or phrase.
Neil Armstrong felt really excited about the monkey.
