It is important to note that there is no historical figure by the name of "Mr. Abhrahim Lincon" in relation to politics. However, if we assume that you are referring to Abraham Lincoln, the 16th President of the United States, we can provide an answer based on historical context.

Early Life:
Abraham Lincoln was born on February 12, 1809, in a log cabin in Kentucky, USA. He grew up in a modest family and received limited formal education. Despite these challenges, Lincoln developed a love for reading and learning, which eventually led him to become a lawyer.

Political Ambitions:
Lincoln's interest in politics can be traced back to his early years. He served as a member of the Whig Party and later joined the newly formed Republican Party. Lincoln's political ambitions were fueled by his strong beliefs in individual liberties, equality, and opposition to slavery.

Slavery and the Civil War:
One of the defining issues of Lincoln's political career was the issue of slavery. As tensions between the Northern and Southern states grew, Lincoln emerged as a prominent opponent of slavery. His famous debates with Stephen A. Douglas during the 1858 Senate campaign further elevated his stature in the Republican Party.

Presidential Campaign:
In 1860, Lincoln ran for president on a platform that opposed the expansion of slavery into new territories. His victory in the presidential election led to the secession of several Southern states, eventually resulting in the Civil War.

Leadership during the Civil War:
As President, Lincoln faced the daunting task of preserving the Union and defeating the Confederacy. He displayed exceptional leadership skills during this tumultuous period, making critical decisions such as issuing the Emancipation Proclamation in 1863, which declared that all slaves in Confederate-held territory were to be set free.

Legacy:
Abraham Lincoln's legacy as a political figure is characterized by his unwavering commitment to the preservation of the Union and the abolition of slavery. His leadership during the Civil War and his efforts to bring about social change have cemented his place as one of the greatest presidents in American history.

In conclusion, Abraham Lincoln's decision to join politics was driven by his strong beliefs in individual liberties, equality, and opposition to slavery. His political career was marked by his leadership during the Civil War and his efforts to bring about significant social change.