What kind of clause is the clause in dark type?

we must hire a person who has a driver's license.

a. adjective clause
b. adverb clause
c. noun clause
d. independent clause

The Clause in this exercise: We must hire a person WHO HAS A DRIVER'S LICENSE.

Is:

A. adjective clause

Explanation:

The reasons behind this answer are: First, adjective clauses are dependant meaning that they can't exist by themselves. They provide detailed information about an independent clause. Second, they start with a relative pronoun. In our case "who" is that one. Third, they are composed of multiple words.

it was the battle of midway (june 4-7 1942), in which was an american decisive victory against the japanese navy. americans lost one aircraft carrier, one destroyer and 150 planes. japan lost 4 aircraft carriers, 1 heavy cruiser and 248 planes. american casualties were 307 and japanese casualties were 3057. japan never recovered from its loses and after midway the americans started getting the upper hand in the pacific war.