$1$a$.($i$)$ Summarize in $1-2$ sentences between the two extreme strategies of casinos in the industry. $($ii$)$ Make a comparison with the two extremes via Porter$$s view of competitive positioning.

$1$b$.$ In the late $1990$s$,$ Why would they not follow the dominant strategies?

$1$c$.$ In late $1990$s Harrah$$s appears to be drifting. $($i$)$ Is it drifting? $($ii$)$ What is an indication of it drifting? $($iii$)$ What is the key external factor to its external expansion for growth?