What is a good, strong topic sentence for a paragraph explaining what/about basketball?

Basketball is the best sport in the nation. It was created by a Canadian man named James Naismith and he was a PE teacher.The first basketball goals were peach baskets and they played in cages made of chicken wire and mesh. At the beginning of basketball, they used soccer balls before actual basketballs were created.They also did not dribble a lot at the beginning of basketball, they would catch the ball and take a couple of steps to slow down or stop. Since then the game of basketball has changed

Explanation:

A topic sentence could be:

Basketball is a game that's been around for hundreds of years, and takes skill and coordination to play. Although some may think basketball is incredible complicated, it  is actually easy once you understand the rules.

it translates into:

read the letter of your pen pal. write and answer 3 questions.

the reason that neiterkob's daughter most likely tell the beginnings of the maasai is : to explain the readers the origin of maasai culture

with this explanation, the reader will grasp a better concept about it and not lost in the middle of reading.

                                            (hope this )