Los Angeles, USA, was selected as the venue for an Olympic Games in 1932 and 1984, both times under what conditions?

Question

The Hollywood sign, a landmark for Mount Lee in Los Angeles, California, originally said what when it was erected in 1923?

Answer 1

It was the only bidder by the time of the selection
In 2017 Los Angeles was again selected as a venue, this time for the 2028 Summer Olympics.