Why does Abraham Lincoln's personal identity not match his collective identity? what I think, Abraham Lincoln. He had humble origins and his collective identity is that of belonging to a lower middle...

Why does Abraham Lincoln's personal identity not match his collective identity?

what I think, Abraham Lincoln. He had humble origins and his collective identity is that of belonging to a lower middle class rural family. However, he became President of a nation, defining a new personal identity for him, which did not coincide with the collective identity.

but why, can you explain a little more?