Why were new orleans and the mississsppi river important to settlers in the west

Because New Orleans was a very important trading port.  New Orleans is very important for importing and exporting goods.  Mississippi River was a major transportation for settlers and good to ship items east.  

answer

the speaker of ,’i want politician to make more of an effort for lgbt rights’, will be served well by joining an interest group.

explanation

an interest group is one that aims at influencing public policy on reasons derived by a common interest .in this case, lgbt rights are rights for the gay society which is a special group of individuals with specific interest concerning their relationship with other individuals. hope this !

letter a is the answer