Which sentence is better?

Warren had a newspaper business and was one of the United States Senate.

Warren had a newspaper business and he was one of the United States Senate.

The first sentence is better. However, it would be even better if you wrote: Warren had a newspaper business and was a United States Senator.

Ocupation- singing

Both sentences have grammatical errors. Here's how to improve them:

1. Warren had a newspaper business and was one of the United States Senate.
Revised: Warren had a newspaper business and was a member of the United States Senate.

2. Warren had a newspaper business and he was one of the United States Senate.
Revised: Warren had a newspaper business, and he was a member of the United States Senate.

The improvements make the sentences clearer and more grammatically correct.