Why was the book to kill a mocking bird split into two parts

Part 1 of To Kill A Mockingbird focuses mainly on the children's obsession with Boo Radley.  In the novel's early chapters, readers come to recognize Scout, Jem, and Dill as curious children who entertain themselves by trying to get a glimpse at their mysterious neighbor.

In Part 2 of the novel, Harper Lee shifts her focus to the trial of Tom Robinson, which is a clearer example of the social (in this case racial) injustice that was all too common in the 1930s in the South. 

what is a theme?

ans: the implicit idea of a written work of literature is called a theme.

so, the only theme of "birdfoot's grampa" by joseph bruchuc is that as a human being one should always remember the value of every life on earth.

the grampa is stopping the car again and again to save those little toads from washing away in the heavy rain is an act of kindness and humanity.

- "when these words are put together to convey a meaning it is known as a sentence. a sentence is a group of words that makes complete sense. placing of words in a sentence is very important. the second sentence is a question."