Explanation:
Grand old party forms = February 1854
Lincoln runs on anti-slavery campaign = fall of 1854
Republicans nominate Lincoln = may 1860
Lincoln becomes president = 1861
US begins westward expansion = 1870s
Answer:
Avoid a semicolon when a dependent clause comes before an independent clause. Incorrect: Although they tried; they failed. Correct: Although they tried, they failed.
Explanation:
an example if it helps