Abraham Lincoln was a former United States President between 1861 to 1865. Before this time, he only served as a Member of the U.S. House of Representatives from Illinois and a Member of the Illinois House of Representatives from Sangamon County.
Hence, while Abraham Lincoln made the statement that America could not remain “half slave and half free, " in 1858, he made the statement while he was vying for the position of a senator. He never became a senator himself.
Therefore, the correct answer in this case is "FALSE."
