The answer is the last one because infinitive phrases need a to- with a verb to it like to visit. to was used and visit is a verb because you can visit things like the store, For Example: we went outside to visit the store.
She moved to cincinnati, a small town of the boarder of kentucky and witness first had the pain slaves went through. After her 18 month old son died she felt the heartache that a slave mother felt being ripped from thier newborn never to see again.
<span>1. Early 1990's.
2. Different workers have specific roles and different levels of authority.
3. Richard Bushnell, who attended the University of Utah, enjoyed playing computer games in college.</span>
Obviously you should click inside the passage box to view the passage... it's a matter of common sense, you know? XD