Several sports were invented in Springfield, Massachusetts in the late nineteenth century. Basketball was invented there in 1891. Volleyball was invented in 1895.

Which example most effectively rewrites the last two sentences to insert a dependent clause with a subordinating conjunction?

In 1891 and 1985, basketball and volleyball were invented there.

Basketball was invented there in 1891, because volleyball was invented in 1895

Basketball was invented there in 1891, while volleyball was invented in 1895.

Basketball, which was invented there in 1891, and volleyball, which was invented in 1895.

Basketball was invented there in 1891, while volleyball, which was invented in 1895, was also developed in Springfield, Massachusetts in the late nineteenth century.

Basketball was invented there in 1891, while volleyball was invented in 1895.

The example that most effectively rewrites the last two sentences to insert a dependent clause with a subordinating conjunction is:

Basketball was invented there in 1891, while volleyball was invented in 1895.